Engelmann's disease
[医] 骨干发育不全
🧩 词语组成解析
🗣️ 情景例句
I'm trying to catch Mary, please.
我想与Mary联络。
Opportunity seldom knocks twice.
机不可失，失不再来。
Last week No.14 Middle School held a sports meeting on the playground.
上星期第十四中学在操场举行了一次运动会。