B.c.e.
abbr. 化学工程学士（Bachelor of Chemical Engineering）；公元前（Before the Common Era）
🗣️ 情景例句
Did she say why she had to leave today?
她说了她为什么今天非走不可吗？
I wish I could.
我希望我行。
It was kind of exciting.
有点剌激。