Collagens
(collagen 的复数) n. 胶原\\n[化] 骨胶原; 胶原
🗣️ 情景例句
Michelle is very grown up for a ten-year-old, huh?
以一个十岁的孩子来说 Michelle很成熟 ，是吗？
That's a misunderstanding .
那是个误会。
These ocean waves are among the earth's most complicated natural phenomena,
这些海浪属于地球上最复杂的自然现象。