Polychlorparaffin
多氯化石蜡
🗣️ 情景例句
It seems to me I scheduled something else.
好像我还安排了什么别的事情。
May I have your name, please?
请问你叫什么名字？
It would be easier for us if you would ship next month.
如果能在下个月出货的话我们会轻松一些。