Arc length
[计] 弧长
🧩 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
I think it's a good idea, Ellen.
我觉得这是个好主意， Ellen。
Tell me truth, don't beat around the bush.
实话告诉我，别兜圈子。
and that their rims are clean and dry.
瓶口清洁干燥。