Endosteitis
[医] 骨内膜炎
🗣️ 情景例句
She works hard.
她工作起来拼命
I don't know him well.
我跟他不熟。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。