ethyl benzene短语¹³¹⁶²⁰⁺³ 基本例句 苯乙烷,乙基苯 Babies who are exposed before birth to ethyl benzene, a toxic component in crude oil, may have a higher risk of developing congenital heart disease, U. S. researchers said Saturday. 本周日,美国的研究学者声称,婴儿在出生之前接触乙苯一种原油中有毒的混合物会有较高的引发先天性心脏病的风险。 yeeyan