Qr
[计] 商, 二次余数
📖 牛津释义
qr
abbr 缩写 = quarter(s).
🗣️ 情景例句
Never say die.
永不气馁！
Can you do it?
你行不行啊？
Now a group of enthusiasts are going to have the plane restored.
一群热心人计划修复这架飞机。