1
- a small flap or strip of material attached to or projecting from something, used to hold, fasten, or manipulate it, or for identification and information（易拉罐的）拉环; 扣; 挂环; （挂衣）襻; 识别标志; 检索凸舌（资料索引卡上的突出部分）。
1.1
- Military, Brit. a marking on the collar distinguishing an officer of high rank or (formerly) a staff officer【军】〈英〉识别高级军官（或旧时参谋人员）军衔的领章。
2
- Computing a second or further document or page that can be opened on a spreadsheet or Internet browser【计算机】（电子表格中的）第二份（或新）文件; （浏览器中的）第二个（或新）网页。
3
- informal, chiefly N. Amer. a restaurant bill〈非正式, 主北美〉饭店账单。
3.1
- a tally of items ordered in a bar or restaurant（酒吧或饭店的）消费账目：
Bobby had told the barman to put everything on the tab.
博比已让酒吧招待把一切都记在账上。
4
tabs
short for TABLEAU CURTAINS.TABLEAU CURTAINS的简称。
5
- Aeronautics a part of a control surface, typically hinged, that modifies the action or response of the surface【航空】调整片, 补翼。
6
- N. English informal a cigarette〈北英格兰, 非正式〉香烟。
(tabbed, tabbing)with obj.
1- mark or identify with a projecting piece of material给…贴标签; 把…选定标出：
he opened the book at a page tabbed by a cloth bookmark.
他从有一张布书签标示的那一页将书打开。
1.1
- chiefly N. Amer. identify as being of a specified type or suitable for a specified position〈主北美〉选定, 认定：
he was tabbed by the President as the next Republican National Committee chairman.
他被总统选定为下届共和党全国委员会主席。
短语
keep tabs（或a tab）on
- informal monitor the activities or development of; keep under observation〈非正式〉监控…的活动（或进展）; 密切注意。
pick up the tab
- informal, chiefly N. Amer. pay for something〈非正式, 主北美〉付账; 承担费用：
my company will pick up the tab for all moving expenses.
我公司将承担搬迁的所有费用。
派生词
tabbed
adjective词源
late Middle English: perhaps related to TAG1 .
- a facility in a word-processing program, or a device on a keyboard, for advancing to a sequence of set positions in tabular work（键盘上的）跳格键：
as modifier the tab key.跳格键。
词源
early 20th cent.: short for TABULATOR.
- informal a tablet, especially one containing an illicit drug〈非正式〉药丸（尤指含违禁药物的药丸）。
词源
1960s: abbreviation.