Fluoroethane
[化] 氟代乙烷; 乙基氟
🗣️ 情景例句
about the first Thanksgiving.
第一次感恩节历史剧。
She couldn't discern the very slight differences between the two.
她无法分辨双方为少的差异。
It's nothing to be surprised about.
这事不值得大惊小怪。