音标:[læɡd] ;
v. 走得极慢, 落后( lag的过去式和过去分词 ); 给(管道等)加防冻保暖层
v hang (back) or fall (behind) in movement, progress, development, etc.
v lock up or confine, in or as in a jail
v throw or pitch at a mark, as with coins
v cover with lagging to prevent heat loss

词性分布:
形容词100%

lag的用法和样例:

例句

用作动词(v.)
  1. Some of the runners in the race began to lag.参加比赛的运动员中有一些开始落後了。
  2. The children always lag behind when we go for a walk.我们出去散步时,孩子们总是落在后面。
  3. Interest lags in such matters.对这类事情的兴趣慢慢减少了。
用作名词(n.)
  1. It takes a lot of time to catch up with a cultural lag.文化的落后需要长时间才能赶上。
  2. There was a long lag in forwarding mail to us.转寄给我们的邮件晚了很久才拿到。

常见句型

用作动词(v.)
用作不及物动词S+~(+A)
  1. The child lagged because he was tired.那孩子因累了而走得很慢。
  2. Ten minutes later, some of runners in the race began to lag.十分钟后,有些参赛的人开始落后了。
用作名词(n.)
  1. This work must go forward without lag.这项工作必须毫不迟延地进行。
  2. There is a time lag of about fifteen years.时间上有一段约15年的间隔。

常用短语

用作动词(v.)
lag behind1 (v.+adv.)
    逾期付款be late, as with the payment of money
lag behind2 (v.+prep.)
    落后于fail to remain level with sb/sth

词汇搭配

用作动词 (v.)
~+副词
  • lag far behind远远落在后面
~+介词
  • lag behind落在…后面
  • lag far behind other countries远远落后于其他国家
  • lag in在…方面落后
用作名词 (n.)
动词+~
  • cause a lag延误
形容词+~
  • cultural lag文化落后
  • noticeable lag显而易见的落后
名词+~
  • jet lag跨时区高速飞行后,生理节奏的破坏
  • time lag时差
介词+~
  • without lag毫不迟延地
~+介词
  • lag between composition and publication排版和出版之间的相隔时间

经典引文

  • A..lag must occur between the dates when..losses are incurred and compensation is paid.

    出自:Economist
  • A..lag between the addition of bicarbonate and the..attainment of the maximum rate.

    出自:Nature
  • A season..behind, but that small lag was death.

    出自:M. Gordon
  • Very soon they lagged on the steep upward track.

    出自:K. Lines
  • Britain had lagged behind the Germans in philological study.

    出自:K. M. E. Murray
  • Liquid oxygen tanks..have to be lagged to reduce the loss of oxygen by boiling.

    出自:Science News

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