Mascons
(mascon 的复数) n. 质量密集
🗣️ 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的签证是往返签证，我可以随便进出这个国家。
She will certainly remain single.
她肯定会保持独身。
Mum and Dad were not at home.
爸爸妈妈不在家。