Bombycin
蚕素
🗣️ 情景例句
Things have worked out badly.
情况进展得很不理想。
The country is rich in natural resources.It has mineral deposits.
这个国家有丰富自然的资源。它有很多的矿床。
If I were you, I would not be bothered by English.
如果我是你，就不会为英语烦恼了。