Collogen
[医] 胶原
🗣️ 情景例句
All right, I get the message.
好吧，我知道了。
Who bought that new house down the street from you?
谁挨着你的那条街买了那幢新房子？
'It may have begun already,' Susan answered.
“也许已经开演了呢，”苏珊回答说。