Trichloroethylene
[化] 三氯乙烯\\n[医] 三氯乙烯
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。