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TOEFL IELTS BNC: 9463 COCA: 8448
lag
læg læg
Word forms: plural , 3rd person singular present tense lags, present participle lagging, past tense , past participle lagged
1 VERB 落后；赶不上 If one thing or person lags behind another thing or person, their progress is slower than that of the other. 落后；赶不上

  • Britain still lags behind most of Europe in its provisions for women who want time off to have babies. [V + behind]

    英国在妇女生育福利方面依然落后于欧洲大多数国家。

  • The restructuring of the pattern of consumption in Britain also lagged behind. [V + behind]

    在消费结构重组方面，英国也落后于人。

  • He now lags 10 points behind the champion. [V amount + behind]

    他现在落后冠军10分。

  • A poll for the Observer showed Labour on 39 per cent with the Tories lagging a point behind. [VERB amount]

    《观察家报》一项民意调查显示，工党支持率为39%，保守党落后其1个百分点。

  • Hague was lagging badly in the polls. [VERB]

    黑格在民意调查中被远远抛在后面。

2 N-COUNT 间隔；间歇；时间差 A time lag or a lag of a particular length of time is a period of time between one event and another related event. 间隔；间歇；时间差

  • There's a time lag between infection with HIV and developing AIDS. [+ between]

    从感染艾滋病病毒到病发有一段滞后期。

  • Price rises have matched rises in the money supply with a lag of two or three months. [+ of]

    在增加货币供应两三个月后，物价也跟着上涨。

3 VERB 给（屋顶、水管或水箱）装绝热层 If you lag the inside of a roof, a pipe, or a water tank, you cover it with a special material in order to prevent heat escaping from it or to prevent it from freezing. 给（屋顶、水管或水箱）装绝热层 [mainly British]

  • If you have to take the floorboards up, take the opportunity to lag any pipes at the same time. [VERB noun]

    如果一定要把地板掀开，不妨趁此机会给各个管道加一层隔热保护。

  • Water tanks should be well lagged and the roof well insulated. [be VERB-ed]

    水箱和屋顶都需要敷设严密的保温层。

4See also:lagging 
Trends of lag
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