Arc cosine
反余弦
🧩 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;
cosine
['kəusain]
n. 余弦;
🗣️ 情景例句
Try to come by later for dessert.... Bye.
晚一点尽量设法弯到这 来吃甜点。……再见。
He's a policeman.
他是警察。
Excuse me, please! Which is the way to the North Street Hospital?
请问，去北街医院怎么走？