Unquadnilium
[化]140号元素
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
Hello, it's really great to talk about ourselves and get to know each other.
大家好，我们自我介绍并相互认识真是太好了。
I'll see you at six.
我六点钟见你。