Idemfactor
n. [数]幂等矩阵, 等幂矩阵
🗣️ 情景例句
Easy does it, tom. don't get all worked up.
冷静点，汤姆，不要太激动。
Straws show which way the wind blows.
草动示风向。
I do not care whether it rains or not.
我不管天会不会下雨。