Arc sine
逆正弦
🧩 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;
sine
[sain, 'saini, 'sinei]
prep. 无;
n. 正弦;
🗣️ 情景例句
I thought you and Xiao Hua might like to come over here.
我想你和小华或许会愿意过来。
I used to have lunch every day at the same time.
我过去常每天在同一时间吃午餐。
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。