lags
[lægz]
n.
滞后， （时间上的）间隔( lag的名词复数 );
v.
走得极慢，落后( lag的第三人称单数 );
给（管道等）加防冻保暖层;
例句:
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In a word, the induced e . m . f . lags behind the current.
总之, 感应电动势滞后于电流.
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Britain lags behind in the European childcare stakes.
英国在儿童保育方面落后于欧洲其他国家。
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My thinking always lags behind reality.
我的思想老落后于现实.
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What do we do when old lags become older?
来自THETIMES
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But it still lags its Yorkshire rival Wm Morrison.
来自THETIMES
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The economy lags behind the French and German economies.
来自NEWYORKER