Poliovirus
[医] 脊髓灰质炎病毒
🗣️ 情景例句
Why do prices always go up during Spring Festival?
为什么春节期间很多东西都会涨价？
I was just on time.
我刚好赶上。
I regretted saying it almost at once.
但马上又后悔说了这话。