Unit circle
单位圆
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
I'll take it. But the price is a bit high. How about free wrapping?
我买了。但价格有点高，免费包装怎么样？
If it were not for hope, the heart would break.
人是靠希望活著的。
They stopped talking when their boss came in.
当老板进来的时候；他们停止了交谈。