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
Life is full of ups and downs.
生活充满起伏。
My class went camping last summer.
去年夏天我们班去露营了。
Inevitably you arrive at your destination almost exhausted.
一旦抵达目的地，你总是疲惫不堪。