Arc cosecant
反余割
🧩 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;
n. 余割\\n[电] 余割
🗣️ 情景例句
What about the baby?
那小宝宝怎么办？
It's certainly a big improvement over yestterday.
肯定比昨天大有好转。
It was important to carry out the work quickly, so an extra team of men were asked to work on the repairs one evening.
因为尽快投入修理工作显得十分重要，于是一天晚上加派了一支工作队来参加维修工作。