美[ræt] 1 . 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。
来自柯林斯例句
2 . 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。
来自柯林斯例句
3 . The brown rat has prominent ears and a long scaly tail.
那只棕鼠两只耳朵向前支着，一条长尾巴布满鳞片。
来自柯林斯例句
4 . 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.
来自《简明英汉词典》
5 . 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.
来自《简明英汉词典》
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
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
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
RAT(远程访问特洛伊木马) 是特洛伊木马的一个变体，也成为net-hack程序。RAT是一个可以在目标计算机上安装服务器组件的恶意代码,当计算机被感染后，攻击者便可以使用一个简单的客户程序访问这台计算机。RAT——通信 radio access technology 无线接入技术 Radio Access Type 无线接入类型RAT——竞价 又称反向拍卖，在规定时间内对一个或多个采购品进行连续竞争性从高往低报价，企业会根据供应商的最低报价，获取采购品的市场成本
