Arc statndard
[电] 弧标准
🧩 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
Richard, isn't that too much to ask of your mother?
Richard，那是不是太麻烦你母亲啦？
Years bring wisdom.
年长智也增。
Over there, near the back.
就在那边，靠后头的地方。