Bibivalent
[化]双二价的
🗣️ 情景例句
Looks like we should've bought a bigger one.
看来我们应该买一件大些的。
Beware beginnings.
慎始为上。
so it will soon be sending up four astronauts to repair it.
为此将把4名宇航员送入太空修复望远镜。