Polychlorohydrocarbon
多氯代烃
🗣️ 情景例句
I'm going to show him the photos on Monday morning.
我要在星期一早晨给他看这些照片。
Thank you. Here's $10:00. Keep the change.
谢谢你。这是10美元，不用找了。
It kept repeating the steps over and over.
蜜蜂一而再，再而三地重复它的"舞步。