Gravitino
n. [核]引力微子(一种假设的基本粒子)
🗣️ 情景例句
Is he still in his office?
他还在办公室吗？
When three know it, all know it.
三人知，天下晓。
To tell the truth, I don't like disco.
说实话，我不喜欢迪斯科。