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
I'm his friend.
我是他的朋友。
Love cannot be compelled.
爱情不能强迫。
He devoted his life to the study of science.
他把毕生献给科学研究。