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	hydraulic weld process hydraulic wheel press hydraulic wheel truck hydraulic whipstock hydraulic winch hydraulic winch package hydraulic windlass hydraulic work hydraulic wrench hydraulic yielding prop hydraulic　fixture hydraulus hydraumatic hydraw hydrazidase hydrazide hydrazine hydrazine-air fuel cell hydrazine chloride hydrazine complex hydrazine compound hydrazine engine hydrazine hydrate hydrazine hydrochloride hydrazine method

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