Skeletin
[医] 骨胳蛋白, 骨胳胶
🗣️ 情景例句
Richard! Welcome! Good luck tonight! Richard
欢迎 祝你今天晚上好运
Go that way for two blocks,then turn left.
用那种方法为镞走2街区然后向左拐。
Did you telephone Li Lei?
你给李磊打电话了吗？