Systema skeletale
骨骼系统
🧩 词语组成解析
[医] 系统, 系
🗣️ 情景例句
Good-bye.
再见。
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”