Trichloracetaldehyde
氯醛
🗣️ 情景例句
OK. What time is it?
好啊。什么时候？
I am not sure such data does exist.
我不确定是否有这样的资料存在。
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。