v.落后；減退；緩慢進(jìn)行
n.落后；時(shí)間間隔
Some of the runners in the race began to lag. 參加比賽的運(yùn)動(dòng)員中有一些開始落後了。
Interest lags in such matters. 對這類事情的興趣慢慢減少了。
用作名詞 (n.)It takes a lot of time to catch up with a cultural lag. 文化的落后需要長時(shí)間才能趕上。
There was a long lag in forwarding mail to us. 轉(zhuǎn)寄給我們的郵件晚了很久才拿到。
