音标: 英 ['zaɪli:n] 美 ['zaɪli:n]
1. These tests confirm that the groundwater is contaminated with benzene, xylene, and toluene.
这些检测证实地下水 受到了苯 二甲苯和甲苯的污染
2. In these oil and gas pockets, you also have chemicals like benzene and toulene and ethyl benzene and xylene that are all extremely harmful for your health.
在這些石油和天然氣田中 含有很多化合物 比如苯 甲苯 苯乙烷 二甲苯等 這些化合物均會對人體造成極大危害