后来发现，她其实早就知道这个秘密。

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

没人知道会议中发生了什么事。

No one knew what had ___transpired during the meeting.

在炎热的天气里，植物通过叶片快速蒸腾水分。

During hot weather, plants ___transpire water rapidly through their leaves.