Idemfactor
n. [数]幂等矩阵, 等幂矩阵
🗣️ 情景例句
and lays them face up on this stand.
将它们掀开放在这个架子上。
Though the wound be healed yet a scar remains.
创伤可愈合，伤疤犹留存。
Stop complaining!
别发牢骚！