Polioencephalitis acuta
[医] 急性脑灰质炎
🧩 词语组成解析
[医]脑灰质炎
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
He who makes constant complaint gets little compassion.
经常诉苦抱怨，难以博得同情。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。