Fluoroethane
[化] 氟代乙烷; 乙基氟
🗣️ 情景例句
It is too expensive. How about half the price?
太贵了，半价怎么样？
A penny saved is a penny earned(or gained).
省钱就是赚钱。
She does, doesn't she! I read she's twenty-nine,- but she must be at least forty.
是的，谁说不是呢！我从报上看到她是29岁，但她一定至少有40岁了。