Collogen
[医] 胶原
🗣️ 情景例句
You say that many big companies act unscrupulously, but can you give me one example?
你说许多大公司不择手段，你能举个例子吗？
Get me my coat, please.
请帮我拿下外套。
You don't know where Karen is, do you?
你不知道卡轮在哪，是吧？