后来发现他其实一直知道这个秘密。

It later ___transpired that he had known the secret all along.

后来我们发现，事故发生在午夜时分。

It later ___transpired that the accident occurred at midnight.

在炎热的天气里，树木会通过叶子蒸腾大量水分来降温。

On hot days, trees ___transpire large amounts of water through their leaves to cool down.