Skeletin
[医] 骨胳蛋白, 骨胳胶
🗣️ 情景例句
Wowee! Just floating along high above Central Park West.
啊哈 高高飘浮在中央公园西路上空前进
No. I went to California for a few weeks.
没有。我上加利福尼亚去了几个星期。
None of us is afraid of difficulties.
我们当中没有一个人害怕困难。