Introne
内含子
🗣️ 情景例句
Yes, Michigan needs a touchdown.
是啊 Michigan队需要一次达阵得分。
At noon I had lunch with a friend of mine.
在中午我与一个朋友一起吃了午餐。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。