Osteodystrophy
[医] 骨营养不良
🗣️ 情景例句
Learning any language takes a lot of effort.
学习任何语言都需要花费很多努力。
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
In so far as any inquiry is a secret one,
任何一项研究都涉及到保密，