Cobalamin
n. 钴胺素, 维生素B12\\n[医] 钴胺
🗣️ 情景例句
It was a pretty dumb thing to do.
做那件事真傻。
He that will eat the nut must first crack the shell.
欲所得，必先劳。
Seeing a cake flying through the air, a lorry driver who was drawing up alongside the car, pulled up all of a sudden.
此时，一辆卡车正好从后边开到那辆汽车边上，司机看见一块蛋糕从天而降，紧急刹车。