词汇“proficient in”的中英文读音、翻译、用法及例句

词汇	proficient in
释义	请查阅词条：proficient
随便看	ethyl-sulfinic acid ethyl sulfocyanate ethyl n propyl ether ethyl phospho-acid etine Etipirium lodide ethylsulfocyanate ethyl trifuoroacetate etincelage ethyoxyl ethyl sulfocyanide etionymous Ethylsulfonal ethylpiperidyl benzilate Etinestrol etiproston ethyol etipirium iodide ethyl piperidine ethyl mercury etiquetee,medical ethyl sulfonic acid ethyl number Etipramid ethyl-p-methoxycinnamate