Circular arc
[机] 圆弧
🧩 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
The news reporter said that an airplane has just crash landed.
新闻播音员说一架飞机在着陆过程中坠毁了。
What will it be after the clear weather?
晴天以后天气会怎么样？
And if, with the decay of vitality, weariness increases,
再者，随着精力的衰退，老年人的疲惫感会增长，