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
Jazz music is performed at many dinner parties.
在很多宴会派对里都有爵士乐的演奏。
How much does she need?
她需要多少？
Many people have been out of work recently.
最近有许多人失业。