Arc of rotation
[机] 转动弧
🧩 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;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
And about helping me find a job in Los Angeles.
请他帮我在Los Angeles找一份工作。
Which one would you like--this one or that one?
你喜欢这个还是那个？
It suddenly occurred to one of the workers to open up the box.
突然一个工人想到打开箱子看看。