Bivacancy
(在原子外壳中的)双空位
🗣️ 情景例句
Would you like to call home?
你给家里挂个电话怎么样？
Poets are the unacknowledged legislators of the world.
诗人是世上没有得到承认的立法者。
Father Christmas is very kind-hearted.
圣诞老人心肠很好。