Polycistron
多顺反子
🗣️ 情景例句
They graduated from high school last year.
他们去年高中毕业。
I ate oranges for breakfast yesterday.
我昨天早饭吃的是桔子。
It is used by travellers and business people all over the world.
在世界各地的旅行者及商人都用英语。