Idemfactor
n. [数]幂等矩阵, 等幂矩阵
🗣️ 情景例句
Is this harmful to kids?
这对孩子有害吗？
Never neglect an opportunity for improvement.
抓住大好时机，切莫等闲错过。
I turned to look at the children, but there weren't any in sight: they had all run away! The man laughed when he realized what had happened.
我转过头去看那些孩子，但一个也不见，全都跑了！当那个人明白了发生的事情时，笑了起来。