Quartisternum
胸骨第四节
🗣️ 情景例句
I'm sick and tired of you!
你让我烦透了。
An owl is the king of the night.
猫头鹰是黑夜之王。
Ships may be delayed by storms; flights may be cancelled because of bad weather, but trains must be on time.
轮船船期可能因风暴而推延，飞机航班可能因恶劣天气而取消，唯有火车必然是准点的。