| 单词 | on and off |
| 释义 | on and off on and off (ALSO off and on) ► C1 If something happens on and off during a period of time, it happens sometimes: » I've had toothache on and off for a couple of months.Thesaurus+: ↑Frequency and regularity - general words |
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英语词典包含67674条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。