lag

柯林斯词典

1. V-I If one thing or person lags behind another thing or person, their progress is slower than that of the other thing or person. 落后
Western banks still lag behind financial institutions in most other regions of the country. 西部地区的银行仍然落后于这个国家其他大部分地区的金融机构。
The restructuring of the pattern of consumption also lagged behind. 消费结构的调整也落后了。
2. V-I to cover (a pipe, cylinder, etc) with lagging to prevent loss of heat 给(管子、柱子等)加防护套来保温
3. N-COUNT 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
There's a time lag between infection with HIV and developing AIDS. 从感染艾滋病病毒到发展成为艾滋病病人有一定的时间间隔。
4. N-COUNT a convict or ex-convict (esp in the phrase old lag) 犯人(尤其在短语 old lag 中); 前科犯人