Dichloroprene
二氯丁二烯
🗣️ 情景例句
Susan, I understand you're in the toy business. Susan
听说 ，是在玩具业工作。
You were here in February,weren't you?
二月份你曾在这里，对不对？
That all depends on the size of the order.
这要订购量的多寡。