Collogen
[医] 胶原
🗣️ 情景例句
We haven't had any more news from the frontier, so we'll just have to be patiend.
我们还没得到来自前方的进一步消息，所以我们只有耐心等待。
It's been 5 years since I last saw you.
我已5年没见你了
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。