Tetramolecular
四分子的
??? 情景例句
I'd like to see them.
我想看看。
The word once spoken can never be realled.
一言既出，駟馬難追。
Goodness! Zhen Jie! I can't believe it. What are you doing here?
啊，天那！鄭杰！我簡直不能相信。你到這里來有什么事嗎？