Arc cotangent
反余切
🧩 词语组成解析
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
n. 余切\\n[电] 余切
🗣️ 情景例句
I don't want to flip hamburgers for the rest of my life.
我可不想把后半辈子全用在翻汉堡上。
I visited her last Wednesday.
我上个星期三拜访她。
and has achieved whatever work it was in him to do,
一切能做的都做了，