n.(名词)

1. 叛徒，变节者
2. 卑鄙小人，卑劣的人，讨厌的人
3. 告密者
4. 女用发垫
5. 工贼
6. 【动】鼠
7. 脱党者，退会者
8. 接受低于工会规定工资的工人
9. 不参加罢工的工人
10. 特务
11. 假发卷
12. 发酒疯
13. 街头青少年流氓
14. 下流女人
15. 耗子（是美国制造的反潜鱼雷）

v.(动词)

1. 密告，告密，泄漏秘密
2. 捕鼠
3. 背叛，变节，叛变，出卖
4. 诅咒，责骂
5. 脱党
6. 接受低于工会规定的工资工作
7. 不参加罢工
8. 接替罢工工人的位置
9. 破坏罢工
10. 做特务
11. 食言，背弃做某事的诺言
12. （把头发）弄蓬松
13. 当工贼
14. 偷窃

abbr.(缩略词)

1. rocket-launched antisubmarine torpedo 火箭发射式反潜鱼雷

n.(名词)

1. [C]大老鼠 a long-tailed animal related to but larger than the mouse
2. [C]卑鄙小人,叛徒 a worthless disloyal person

v.(动词)

1. vi. 捕鼠 hunt rat
2. vi. 变节; 食言; 叛变 break an agreement, a promise, etc.; fail to do sth one has undertaken to do; betray sb

Noun:

1. any of various long-tailed rodents similar to but larger than a mouse

2. someone who works (or provides workers) during a strike

3. a person who is deemed to be despicable or contemptible;

   "only a rotter would do that"
   "kill the rat"
   "throw the bum out"
   "you cowardly little pukes!"
   "the British call a contemptible person a `git'"
   

4. one who reveals confidential information in return for money

5. a pad (usually made of hair) worn as part of a woman's coiffure

Verb:

1. desert one's party or group of friends, for example, for one's personal advantage

2. employ scabs or strike breakers in

3. take the place of work of someone on strike

4. give (hair) the appearance of being fuller by using a rat

5. catch rats, especially with dogs

6. give away information about somebody;

   "He told on his classmate who had cheated on the exam"
   

1.老鼠;耗子
Arat is an animal which has a long tail and looks like a large mouse.

e.g. This was demonstrated in a laboratory experiment with rats.
在实验室用老鼠进行的实验证明了这一点。
e.g. ...arat-infested derelict building.
鼠灾泛滥的废弃建筑

2.卑劣的人；不忠实的人；小人
If you call someone arat, you mean that you are angry with them or dislike them, often because they have cheated you or betrayed you.

e.g. What did you do with the gun you took from that littlerat Turner?
你是怎么处理从那个叫特纳的小叛徒手里得到的枪的？

3.告密;出卖
If someonerats on you, they tell someone in authority about things that you have done, especially bad things.

rat什么意思

e.g. They were accused of encouraging children torat on their parents.
他们被指控唆使儿童告发自己的父母。

4.违约；食言
If someonerats on an agreement, they do not do what they said they would do.

e.g. She claims he ratted on their divorce settlement.
她声称他违反了他们的离婚协议。

5.怀疑有问题；发现不对头；有所警觉
If yousmell a rat, you begin to suspect or realize that something is wrong in a particular situation, for example that someone is trying to deceive you or harm you.

rat在线翻译

e.g. If I don't send a picture, he will smell arat...
如果我不寄出照片，他将有所察觉。
e.g. Though Lloyd George's behaviour seemed curious, Haig still did not smell arat.
尽管劳埃德·乔治的行为古怪，黑格仍然没有任何怀疑。

1. 大白鼠：若无特别注明,则为大白鼠(rat)以食入方式之实验数据___ 在固定浓度时经一定时间(通常14小时)之暴露后会造成半数试验动物死亡之浓度为半致死浓度. 本栏位应注明试验动物及吸收途径,若无注明,则为大白鼠(rat)吸入方式之试验数据,一般观察期为 14 天

2.rat：renal function tests; 肾功能

3.rat：registration authority terminal; 受理点

4. rat的近义词

4.rat：radio frequency therapy; 肝肿瘤

5.rat：reentrant atrial tachycardia; 折返性房性心动过速

He was regarded as a rat.

大家叫他变节者/叛徒。

The dog was worrying a rat.

那条狗撕咬著一只老鼠。

The dog nosed out a rat.

那只狗闻到了老鼠的气味。

Now I can see why people say he is such a rat.

现在我知道了为什么人们说他是卑鄙小人了。

But you promised to help us, you rat!

可是你答应过要帮我们的忙，你这言而无信的小人！

The little boy likes to rat.

这个小男孩喜欢捕鼠。

They said they'd help but they have rat on their friend.

他们说他们会帮忙的，但他们却背叛了朋友。

Why did he rat out on his friends?

他为什么背弃了朋友们呢?

We should not rat on our promises.

我们不应违背诺言。

rat poison

老鼠药

Where I come from, you don't rat on your friends.

在我的老家，谁都不出卖朋友。

The government is accused of ratting on its promises to the unemployed.

政府被指责对失业者背信弃义。

This was demonstrated in a laboratory experiment with rats.

在实验室用老鼠进行的实验证明了这一点。

...a rat-infested derelict building.

鼠灾泛滥的废弃建筑

What did you do with the gun you took from that little rat Turner?

你是怎么处理从那个叫特纳的小叛徒手里得到的枪的？

They were accused of encouraging children to rat on their parents.

他们被指控唆使儿童告发自己的父母。

She claims he ratted on their divorce settlement.

她声称他违反了他们的离婚协议。

If I don't send a picture, he will smell a rat...

如果我不寄出照片，他将有所察觉。

Though Lloyd George's behaviour seemed curious, Haig still did not smell a rat.

尽管劳埃德·乔治的行为古怪，黑格仍然没有任何怀疑。

He used some cheese to trap the rat.

他用了些乳酪诱捕耗子.

The cat catches the rat.

猫捉老鼠.

METHOD rat models with yang deficiency were made using hydrocortisone.

方法用氢化可的松及去势大鼠可以造成阳虚模型.

OBJECTIVE To explore into the pharmacodynamic effect of rhinitis spray on rat models allergic rhinitis.

目的探讨中药鼻炎喷雾剂对变应性鼻炎模型大鼠的药效作用.

Its main characters were a rat, a mole, and a toad.

其主要特征是一只老鼠, 一痣, 和蟾蜍.

Conclusion of NOS the obstruction of learning and memory of the rat after exposure to EMP.

结论NOS在EMP所致大鼠学习、记忆功能障碍过程中起一定作用.

Conclusion Composite procaine mixture has protective effects on acidulated alcohol induced gastric ulcer in rat.

结论　复方普鲁卡因溶液对酸化乙醇诱导的大鼠胃溃疡具有明显的保护作用.

The dog is worrying the rat.

那只狗在撕咬老鼠.

This is the rat That ate the malt That lay in the house that Jack built.

这是老鼠这吃的麦芽奠定在杰克建造的房子.

The arrival of warm weather raises the specter of disease and increased rat infestations caused by rotting garbage.

天气转暖使人们担心垃圾腐烂会引起疾病传播和鼠群猖獗.

But you promised to help us, you rat!

可是你答应过要帮我的忙, 你这言而无信的小人!

They longed to escape from the rat race and move to the countryside.

他们渴望能够摆脱无情的竞争,搬到乡下去.

Paul got caught up in the rat race and was never at home.

保罗被卷入激烈的竞争中,都没在家呆过.

A rat can gnaw a hole through wood.

老鼠能啃穿木头.

Dad wants to get out of the rat race and move back to his hometown.

父亲想离开无休无止的竞争,回到他的故乡.

He was wet all over like a drowned rat.

他浑身湿得像只落汤鸡.

Captain Hardnose certainly ran that rat over the hill.

哈得诺思上尉当然要求那个告密者离职了.

The lab assistant injected the rat with the new drug.

实验室助手给老鼠注射了那种新药.

The dog nosed out a rat.

那只狗闻到一只老鼠的气味.

1. The rats have eaten holes in those bags of flour.
   大老鼠把那些面粉袋嗑出了窟窿。
2. He looks like a drowned rat.
   他看上去像一只落汤鸡,全身都湿透了。
3. But you promised to help us, you rat!
   可是你答应过要帮我们的忙,你这言而无信的小人!

用作不及物动词S+～(+A)

1. The dogs went ratting.
   狗都去捕捉老鼠了。
2. They said they'd help us but they've ratted.
   他们答应帮助我们,但他们食言了。

rat on (v.+prep.)

〈口〉背叛,告发; 食言 betray or inform on (sb); go back on (sth)
rat on sb/sth

That coward ratted on his fellow-workers.

那个胆小鬼告发了和他一起干活的工人。

The police know we're here.Someone must have ratted on us.

警察知道我们在这儿,一定是有人背叛了我们。

We shouldn't rat on our promise.

我们不应该违背诺言。

动词+～

• rat">catch a rat捕鼠
• rats">get rid of rats消灭老鼠
• rat">smell a rat怀疑其中有诈

形容词+～

• rat">brown rat棕色鼠
• rat">dirty rat卑鄙的人

名词+～

• rat">the water rat水鼠

介词+～

• rat%20in%20a%20hole">like a rat in a hole像瓮中之鳖,很有把握
• rat">like a drowned rat(淋得)像落汤鸡,浑身湿透

～+介词

• rat%20on">rat on密告…
• rat%20on%20one%27s%20friends">rat on one's friends背叛朋友

• When the rat protested that he loved Sal, she chucked a drink in his face.

  出自：Sun

• Witnesses..ratting on former colleagues.

  出自：Literary Review

• He's a solicitor who's ratted on a client! He could be struck off for that, you know!

  出自：K. Lette

v.(动词)

1. rat用作名词时意思是“鼠”,转化为动词意为“捕鼠”,引申可表示“背叛”“告发”“食言”。
2. rat只用作不及物动词,在口语中常与介词on连用。
3. rat的过去式和过去分词均为ratted。

n.(名词)

rat, mouse

rat指“田鼠”；mouse指“家鼠”，一般比rat小。

mouse，rat

这两个名词均可表示“老鼠、耗子”之意。

mouse一般指体形较小的家鼠。

rat一般指生活在室外体形较大的一种老鼠。