Proctosigmoiditis
[医]直 肠乙状结肠 炎
🗣️ 情景例句
The guests are waiting.
客人们正等着呢。
Has anybody else anything to say on this?
关于这点，谁还有什么别的要说吗？
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。