Perfluoroallene
[化] 全氟丙二烯
🗣️ 情景例句
It's not uncommon to encounter sexual harassment in the office.
在办公室遭遇性骚扰并不少见。
I give you my word for it.
对于此事我向你保证。
Li lei is very good at football.
李雷很擅长足球。