Ossein
n. 骨胶原\\n[化] 骨胶原; 生胶质
🗣️ 情景例句
Some rock 'n' roll.
一些摇滚乐。
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
They all went up some narrow steps into a large room.
他们全都登上这些狭窄的台阶，接着进入一个大房间。