Proternochrome
[医] 蛋白色素
🗣️ 情景例句
How can you do business with the americans? You'll need to improve your English first.
你怎么能与美国人做生意？你得先提高自己的英文水平。
How long does it take to get there?
到那里要多少时间？
Yes, that would be fine.
可以，这时间对我很合适。