Chondrodystrophia
软骨营养障碍
🗣️ 情景例句
Right.
好的。
You never know what you can do till you try.
事非经过不知难。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。