Arc-digraph
[计] 弧有向树
🧩 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;
n. 二合字母, 连字\\n[计] 有向图
🗣️ 情景例句
Usually a house is too expensive for the salary-earning class to buy.
通常房屋太贵，工薪阶层买不起。
Which American singer do you like to listen to?
你喜欢哪个美国歌星的歌曲？
That's how we got so wet and dirty.
这就是我们怎么弄得这样又湿又脏的原因了。