Fibroin
n. (丝心)蛋白\\n[化] 丝心蛋白
🗣️ 情景例句
Learning any language takes a lot of effort.
学习任何语言都需要花费很多努力。
She is starting to work her way up in the company.
她在公司开始发挥实力了。
Are there any hills in the picture?
画里面有山吗？