他可不是个会偷懒的人，他是他们最好的工人。He's not a slacker, he's the best worker they've got.教练告诫姑娘们不要偷懒.The coach admonished the girls for being lazy.我不能让你偷懒.I can not suffer you to be idle....
Man – made CFCs are the main cause of ozone depletion in the stratosphere.人造氯氟烃是臭氧层破坏的主因.The decomposition of chlorofluorocarbons ( CFCs ) has been a hot topic in recent years.氟里昂分解已成为当今环保技术的热点之一.CFCs cause depletion of ...