Arrow number
[计] 箭头序号
🧩 词语组成解析
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['æro]
n. 矢，箭;箭状物;箭头记号;[天]天箭座;
🗣️ 情景例句
These are lucky kids.
这是一群幸运的孩子。
Moderation in all things is the best of rules.
中庸之道是最好的准则。
It was made of red silk.
它是用大红丝绸做的。