Qr
[计] 商, 二次余数
📖 牛津释义
qr
abbr 缩写 = quarter(s).
🗣️ 情景例句
then you've got to smile first.
你就得先笑一笑。
You have to study English, don't you?
你必须学英语，不是吗？
Is it cold or warm in autumn?
秋季的天气是冷还是暖呢？