polis

['pəulis]

n. 都市国家

例句与用法：

She has polio as a child and spend the rest of her life in a wheelchair.

她小时候得了小儿麻痹症，终生没离开过轮椅。

He failed many times but he finally broke through to find a successful polio vaccine.

他失败了许多次，但终于发现了有效的预防小儿麻痹症的疫苗。

She had polio as a child and spent the rest of her life in a wheelchair.

她小时候得了小儿麻痹症，终生没离开过轮椅。

词形变化：

名词复数: poleis |

详细释义：

n.

都市国家