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
and just enjoy this beautiful spring day.
尽情享受这美好的春天。
I envy you your health.
我羡慕你健康和身体。
Please proceed with your presentation.
请开始你的简报。