基本解释苄青黴素同根派生 benzylpenicillin相关词英汉例句The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.以苯乙酸乙酯和乙醇胺爲原料郃成了苄青黴素低毒前躰苯乙醯基乙醇胺。benzylpenicillin更多例句