v.落后；减退；缓慢进行
n.落后；时间间隔
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。
Interest lags in such matters. 对这类事情的兴趣慢慢减少了。
用作名词 (n.)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。
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。
adj.(已醉得)不能再喝的
