Protosternum
第一胸板
🗣️ 情景例句
They're all alike.
他们都是一个样子。
A hasty man is seldom out of trouble.
性急难免出岔子。
Ripe fruit falls from the trees and you never have to work.
成熟的水果从树上掉下来，人们根本无需劳动。