on time表示准时,比如You should attend the meeting on time. in time表示及时,比如I have to help him in time, otherwise he will fail. at times 有时;偶尔
第2个回答 2013-09-17
at time偶尔, E.G 1. One expects healthy children to be mischievous at times. 健康的孩子有时很调皮,这是意料之中的。 on time 准时, E.G You should attend the meeting on time.你应该准时参加会议 in time及时 E.G finish it in time ,及时完成本回答被网友采纳