Polar number
[医] 极性数
🧩 词语组成解析
🗣️ 情景例句
When and what university did you graduate from?
你何时从哪所大学毕业？
The wise man has long ears and a short tongue.
聪明人耳朵长，嘴巴短。
A short time before, great trees had covered the countryside for miles around.
就在不久之前，参天大树还覆盖着方圆数英里的土地。