Bivacancy
(在原子外壳中的)双空位
🗣️ 情景例句
But if they don't, I'll adopt her.
如果找不到，我就收养 。
You're very kind to take the trouble to help me.
谢谢你不怕麻烦帮助我。
sailing vessels like the Cutty Sark were used to carry tea from China and wool from Australia.
“卡蒂萨克”号之类的帆船被用来从中国运回茶叶，从澳大利亚运回羊毛。