Gravitons
(graviton 的复数) n.[核]引力子
🗣️ 情景例句
Who is that?
你是谁？
That's enough!
真是够了！
It had broken down the previous summer, and though I promised to repair it, I had never got round to it.
那台割草机去年夏天就坏了，尽管我答应修，但一直没抽出时间，