Fluorocarbon
[建] 碳氟化合物
🗣️ 情景例句
Ten o'clock tomorrow morning.
明早十点钟。
What day is it today?
今天星期几？
Only an exceptionally heavy snowfall might temporarily dislocate railway services.
只有非同寻常的大雪才可能暂时打乱铁路运行。