Osseine
[医] 骨胶原
🗣️ 情景例句
Is it possible that we forgot to buy cinnamon?
是不是我们忘了买肉桂？
Please come in; you're right on time.
请进，你正好准时到来。
When you visit London, one of the first things you will see is Big Ben,
当你游览伦敦时，首先看到的东西之一就是“大本”钟，