hexachlorobenzene英heksəklɔːrə'benziːn美heksəklɔːrə'benziːnCOCA²⁰⁹⁹⁹⁸BNC¹²⁶⁴¹⁶⁺⁴ 基本例句 n.化六氯苯 Mercury, hexachlorobenzene, DDT, musk compounds and heptachlor have caused the Elbe to become contaminated and as such since1989 commercial fishing has been banned. 水银,六氯苯,滴滴涕,七氯麝香化合物和所造成的易北河成为污染,因此,自1989年以来,商业捕鱼活动已被取缔。 blog.sina.com.cn