Collagens
(collagen 的复数) n. 胶原\\n[化] 骨胶原; 胶原
🗣️ 情景例句
Can I ring you up?
我可以给你打电话吗？
The adventure had been planned for quite a while.
那项冒险曾经作了长期的周详计划。
I'll never forgive you!
我永远都不会饶恕你！