Umbilics
脐点
🗣️ 情景例句
Now, tell me, what's the problem?
啊， 告诉我 有什么问题？
We had a good time.
我们玩的很开心。
the main complicating facts of human life must remain unintelligible.
我们才能明白人类生活中主要的复杂现象。