Unstable equilibrium
[化] 不稳定平衡
🧩 词语组成解析
🗣️ 情景例句
He's the sweetest little thing.
他是最可爱的小家伙。
Keep going straight for two blocks, then turn right on Elm street and you'll run right into it.
一直走，过两个街区，然后往右拐是埃尔姆街，再往前走，迎面就是莫特街。
It is Just what I need.
这正是我所需要的。