1.三的英语写法是:three,英语读音为:英 [θriː]、美 [θriː]。
2.复数: threes。
3.例句The way I see it, you have three main problems. 意思是:我认为你有三个主要问题。There were only three of us on the advanced course. 意思是:只有我们三人学高级课程。