Propeller arc
[机] 螺旋桨效应电弧
🧩 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;
🗣️ 情景例句
He is a big fan of the NBA games.
他是NBA的铁杆球迷。
He admitted that he was wrong.
他承认自己错了。
Perhaps it will solve my problem, but I just haven't had time to read it!
也许这本书能解决我的问题，但我一直还没时间去看这本书！