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
I'd like to set up a doctor's appointment as soon as possible.
我想尽快预约门诊。
The moment John saw Mary, he fell head over heels in love with her.
约翰对玛丽一见倾心，给她弄得神魂颠倒了。
After reading an article entitled 'Cigarette Smoking and Your Health' I lit a cigarette to calm my nerves.
读完一篇题为《吸烟与健康》的文章之后，我点上了一枝香烟，来镇定一下自己紧张的神经。