Collogen
[医] 胶原
🗣️ 情景例句
Pete Waters, RFD Number 1, Chesterton.
Pete Waters， Chesterton乡村免费邮递路 一号。
Marry in haste, and repent at leisure.
草率结婚后悔多。
Certainly!said her mother.
“当然可以！”她妈妈说。