Bibivalent
[化]双二价的
🗣️ 情景例句
And it hung over Robbie's crib.
Robbie的小床也有过。
Walls (or Pitchers) have ears.
隔墙有耳。
As soon as he opens the gate from the outside, he comes into the garden and waits until the gate shuts.
它从外面把门一打开，就走进花园，等着门自动关上。