1. 不及物动词：[lag (behind sth/sb)]缓慢移动；发展缓慢；滞后；落后于
2. 及物动词：[lag sth (with sth)]给（管道等）加防冻保暖层
n.[=time lag]（两件相关事件的）事件间隔；时滞 词形变化
- 时态 lagged，lagging，lags
- lock up or confine, in or as in a jail
- the time between one event, process, or period and another
- hang (back) or fall (behind) in movement, progress, development, etc.
- cover with lagging to prevent heat loss
- throw or pitch at a mark, as with coins
- the act of slowing down or falling behind
- one of several thin slats of wood forming the sides of a barrel or bucket