Poliencephalomyelitis
[医] 脑脊髓灰质炎
🗣️ 情景例句
but this is an important opportunity.
但这是一次很重要的机会。
However.
无论怎么理。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，