Fluoroethylene
氟乙烯, 乙烯基氟
🔁 扩展释义
【化】 氟乙烯
🗣️ 情景例句
You were four or five years old, I think.
当时你才四、五岁 我想。
How much is this meat per pound?
每磅肉要多少钱？
What a great teacher!
多么高尚的老师！