Bce
abbr. 化学工程学士（Bachelor of Chemical Engineering ）；土木工程学士（Bachelor of Civil Engineering）；公元前（ before common era）
🗣️ 情景例句
That must be Nat.
这一定是Nat。
We have 50 provinces.
我们有50个省。
' As she walked away, I followed her out of the fair.
”当她走开时，我也跟着她出了集市。