Circular function
圆函数, 三角函数
🧩 词语组成解析
🗣️ 情景例句
That's not it.
不是这种事。
For one thing,I've got to drop by the bank to get some money.
首先，我得去银行取一些钱。
That proved to be my undoing, for I soon got back to my old bad habit of dozing off in front of the screen.
这下我可完了，因为不一会儿，我就恢复了以前的坏习惯，在屏幕前打起瞌睡来。