Melanogen
黑素原
🗣️ 情景例句
What are your major and minor subjects?
你主修和副修什么科目？
There may be different ways of doing business.
有很多不同的方式。
In England, the most popular food is fish and chips.
在英国，最受欢迎的食品是炸鱼和土豆片。