Collagens
(collagen 的复数) n. 胶原\\n[化] 骨胶原; 胶原
🗣️ 情景例句
Hmmm. It is wrong.
嗯嗯。是不对劲。
I'm not rich. I wish I didn't have to pay the fine.
我不是富有人家，但愿不必交罚款。
The rope had been cut, so it was obvious that the lamb had been stolen.
绳子被人割断，很明显小羔羊是被人偷走了。