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
That's fine. I'll await his return call.
很好。我会等他的来电。
Do you like skiing?
你喜欢滑雪？
It's a friendly competition.
这是一场友谊赛。