Polychlorinated
[医]多氯化的
🗣️ 情景例句
Oh, who could that be?
啊，这会是谁呢？
Why didn't you like doing the laundry so much?
为什么你那么不喜欢洗衣服？
If you learn even a little English, you will find it usedful after you leave school.
假如你哪怕只是学一点英语，毕业后，也会发现它是有用的。