Osteopsathyrosis
[医] 骨脆症, 成骨不全, 洛布斯坦氏病
🗣️ 情景例句
You always know the right thing to say.
你说话得体。
No, I only wrote her one letter this year.
是的，今年我才给她写过一封信。
Is the fire out?
火熄了吗？