Urachal
脐尿管的
🗣️ 情景例句
because we have a little surprise for you today.
因为今天我们要给各位一项惊喜。
Misforunes come on horseback and go away on foot.
遭灾易，消灾难。
He collected tetters and made copies of people's diaries.
他收集到一些信件，复印了一些人的日记。