Etfe
[医][=ethylene-tetrafluoro-ethylene]乙烯四氟乙烯
🗣️ 情景例句
Well, I've thought a lot about which college,
嗯， 我为了上哪一所大学想了很多，
The nearer the bone the sweeter the flesh.
骨肉越亲，恩情越深。
He asked me if he could go steady with me?
他问，能不能继续和我约会。