Collagens
(collagen 的复数) n. 胶原\\n[化] 骨胶原; 胶原
🗣️ 情景例句
Reading?
读书？
So many countries, so many customs.
一个国家有一个国家的风俗。
For this reason also the writer, like any other artist, has no resting place,
也是由于这个原因，作家同任何艺术家一样，找不到可休息的场所，