tab

1.标签；签条；突耳；凸舌a small piece of paper, cloth, metal, etc. that sticks out from the edge of sth, and that is used to give information about it, or to hold it, fasten it, etc.

2.（待付的）账单，账款；（尤指）餐饮账单；费用a bill for goods you receive but pay for later, especially for food or drinks in a restaurant or bar; the price or cost of sth

3.(informal)药片，药丸（指毒品）a small solid piece of an illegal drug

keep (close) tabs on sb/sth

监视；密切注视to watch sb/sth carefully in order to know what is happening so that you can control a particular situation

1.~ sb (as) sth说（某人）适合于（某工作或角色）；把（某人）视为…to say that sb is suitable for a particular job or role or describe them in a particular way

1.〈口〉账单;全部费用

2.(附属在衣服等上的)垂片,荷叶边;(附属在物件上用来拉动,悬挂的)拉手,耳片,扣环,带子;(帽子的)护耳;鞋带,鞋带头包铁;(卡片,纸张边上供写标签,编号用的)凸出部

3.表格;制表人

4.平板;【机】工作台

5.【火箭】调整片,薄片,阻力板

6.【军】参谋的领章

7.〈美〉小报;【戏】短剧;药片

8.〈英俚〉剑桥大学学生[毕业生]

1.选择,选取

2.制...的一览表;记录

3.做上耳片等

1.(=Technical Assistance Board (of the United Nations))(联合国)技术援助委员会

2.(=Technical Abstract Bulletin (US Dept. of Defense Publication))《科技简报》

1.a part that sticks out of something and that you can pull in order to make something happen; a metal ring that is part of the lid of a can. When you pull up on the ring, the lid comes off. The usual British word is ring-pull.; a label attached to clothing or other material and that gives information about it

2.a button on a computer keyboard or typewriter that you press to move several spaces along the same line

3.a bill for the cost of a meal or for drinks that you have bought; an amount that you owe, for example the cost of a hotel room, restaurant meals, and services

4.a tablet containing an illegal drug, especially lsd

1.to press the tab on a computer keyboard

2.to attach a small label to a page or document

3.to choose someone for a particular job, responsibility, or honor

1.(=Technical Assistance Board (of the United Nations))

2.(=Technical Abstract Bulletin (US Dept. of Defense Publication))