Systema skeletale
骨骼系统
🧩 词语组成解析
[医] 系统, 系
🗣️ 情景例句
It hurts so much when a baby gets his first teeth.
小孩子长第一颗牙齿时好痛哟。
You'd better run or you're going to be left behind.
你最好跑不然你将落在后面。
Winter is a cold season.
冬天是一个，寒冷的季节。