Perimeter arc
[医] 视野计弧
🧩 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
Please accept my sincere apology.
请接受我诚心诚意的道歉。
Keep your eyes wide open before marriage, and half shut afterwards.
婚前张开眼，婚后半闭月。
The first thing I saw when I entered the art gallery was a notice which said:
走进展厅首先看到的是一张告示，上面写着