Polydeter
多行列式
🗣️ 情景例句
Did everything go all right?
一切都顺利吧？
We never know the worth of water till the well is dry.
井干方知水可贵。
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。