Arrow number
[计] 箭头序号
🧩 词语组成解析
arrow
['æro]
n. 矢，箭;箭状物;箭头记号;[天]天箭座;
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
Prosperity makes friends and adversity tries them.
富裕招致朋友，困苦考验朋友。
How much does it cost to go abroad?
出国要多少钱？