Fibroin
n. (丝心)蛋白\\n[化] 丝心蛋白
🗣️ 情景例句
It's so nice out.
外面天气真好。
A good marksman may miss.
智者千虑，必有一失。
and to exercise such initiative as falls within their sphere,
在各自的工作范围内发挥主动性，