Idemfactor
n. [数]幂等矩阵, 等幂矩阵
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
To make a model airplane
制造飞机模型
Last year, however, it came into use.
然而去年机场开始使用了。