lag例句
There's a time
lag between infection with HIV and developing AIDS.
从感染艾滋病病毒到病发有一段滞后期。
As conceit makes one
lag behind, so modesty helps one make progress.
骄傲使人落后, 谦虚使人进步.
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.