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
He was left in charge of the shop while the manager was away.
经理不在时他负责这个商店。
Ill air slays sooner than the sword.
污浊的空气杀人比刀还快。
We could visit the town of Aswan.
我们可以游览阿斯旺城。