Fluorochemicals
含氟化合物
🗣️ 情景例句
I met with Bill York today.
今天我跟Bill York会面了。
You're very kind to take the trouble to help me.
谢谢你不怕麻烦帮助我。
If you were to ask Harry what was in the bottle, he would tell you that it contained perfumed mud.
要是你问哈里瓶里装着什么，他会告诉你是香水泥。