Arc secant
反正割
🧩 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;
a. 正割的\\nn. 割线, 正割
🗣️ 情景例句
Are you here on business or for pleasure?
你来这儿是出差还是游玩？
Won't you come alone with me? My boss wants to see you.
能跟我一起来吗？我们老板有事要见你。
When they arrived, he said: Welcome to our factory! Please come this way. Don't rush.
“欢迎参观我们厂！请走这边。别急。”