英语词组on duty是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	on duty
释义	on dutyadj. phr.Doing one's job; supervising. 在上班；在值班。◆ Two soldiers are on duty guarding the gates.两名士兵正值班守卫着大门。
随便看	foul play foul-up foul up foundation garment four corners four-eyes four-leaf clover four-letter words fourth world fraid-cat fraidy-cat fraidy-cat or fraid-cat or scaredy-cat or scared cat frame of mind fraught with danger fraught with danger or fraught with peril fraught with peril freak freak out freak-out free agent free and easy free ball free enterprise free-for-all free hand

英语词组固定搭配大全包含9718条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。