英语词汇“know one's business”的读音、翻译、释义、用法及例句-智慧网

词汇	know one's business
释义	know one's businessknow one's business1.■精通业务Imes knows his business because he has been in this line for years.因为艾姆斯干这行多年, 所以他精通业务。
随便看	proteinicsubstance protein improvement protein isolation protein kinase protein level protein-losing enteropathy protein metabolism protein metabolism disturbance protein milk red blood cell iron tilization ratio red blood cell iron turnover rate red blood cell life span red blood cell life span determination red blood corpuscle red-blooded red board red bodies with white faces red body red bole redbone red bone marrow Red Book red borer red box red branch

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