Polio-
[医] 灰质
🧩 词语组成解析
polio
['pəuliəu]
n. <医>脊髓灰质炎（等于poliomyelitis）;
🗣️ 情景例句
We have a very important meeting on at the moment.
现在我们正在开一个非常重要的会。
You must go to the moon. It's your duty.
你必须上月球去，这是你的职责。
That's right.
对啦。