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
Well, have a nice trip and best wishes to your wife.
祝你一路顺风，并替我向你太太问好。
What is your guess about the outcome of this meeting?
你认为这项会议的结果将会如何呢？
Yes, you need to get some underwater plants.
是的，你还需要弄一些水下植物。