94生活常识网有道词典

rat

R 开头单词四级词汇专八核心词托福词汇GRE词汇高考词汇

音标发音

  • 英式音标 [ræt]
  • 美式音标 [ræt]
  • 国际音标 [ræt]
  • 英式发音
  • 美式发音

基本解释

  • n. 鼠；卑鄙小人，叛徒
  • vi. 捕鼠；背叛，告密
  • n. (Rat)人名；(法、意、印、瑞典)拉特；(泰)叻

同根派生

  • adj性質的同根詞
    ratty：像老鼠的；破爛的。
  • n性質的同根詞
    ratter：捕鼠者；叛徒。

用法辨析

    v. (動詞)

  • rat用作名詞時意思是“鼠”,轉化爲動詞意爲“捕鼠”,引申可表示“背叛”“告發”“食言”。
  • rat衹用作不及物動詞,在口語中常與介詞on連用。
  • rat的過去式和過去分詞均爲ratted。

英汉例句

    用作名詞 (n.)

  • The rats have eaten holes in those bags of flour.
    大老鼠把那些麪粉袋嗑出了窟窿。

    • 用作動詞 (v.)

    用作不及物動詞: S+～(+A)

  • The dogs went ratting.
    狗都去捕捉老鼠了。

词组短语

    用作名詞 (n.)

    動詞+～

  • catch a rat 捕鼠
  • get rid of rats 消滅老鼠
  • smell a rat 感到不妙；感到有可疑之処

    • 形容詞+～

  • brown rat 棕色鼠
  • dirty rat 卑鄙的人

    • 名詞+～

  • the water rat 水鼠

    • 介詞+～

  • like a rat in a hole 像甕中之鱉,很有把握
  • like a drowned rat 渾身溼透（象落湯雞）

    • 用作動詞 (v.)

    ～+介詞

  • rat on 撤銷；背叛，告發

英英字典

    劍橋英英字典

  • (ANIMAL) a small rodent, larger than a mouse, that has a long tail and is considered to be harmful
  • (PERSON) an unpleasant person who deceives others or is not loyal

    • 柯林斯英英字典

  • A rat is an animal which has a long tail and looks like a large mouse.
  • If you call someone a rat, you mean that you are angry with them or dislike them, often because they have cheated you or betrayed you.
  • If someone rats on you, they tell someone in authority about things that you have done, especially bad things.
  • If someone rats on an agreement, they do not do what they said they would do.
  • If you smell 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.

专业释义

    生物學

  • 大鼠
  • 耗子
  • 鼠

    • 交通運輸工程

  • 老鼠

    • 電子、通信與自動控制技術

  • 送受話器 (receiver and transmitter)
  • 收發信機