Rectocolitis
[医] 直肠结肠炎
🗣️ 情景例句
Amtrak is happy to announce our arrival in New York City.
我们很高兴报告诸位 Amtrak火车就要到达纽约了。
You're welcome.
别客气。
It is no use learning without thinking.
学而不思则惘。