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
Thanks a million, Mr. Lee, for what you have done for me.
非常感谢你为我所做的一切。
The facts coincide with Mark's story.
事实和马克的话吻合。
We gently woke him up and asked him to ferry us to the other side.
我们轻轻地把他唤醒，请他把我们摆渡过溪。