Tfe
[医][=trifluoroethanol]三氟代乙醇
🗣️ 情景例句
Keeping busy. Yourself?
一直很忙，你呢？
She never mends her clothes; they all have holes in them.
她从来都不补缀衣服。因此，衣服上到处都是破洞。
It lasts from May to July.
从5月持续到7月。