Matrizant
矩阵积分级数
🗣️ 情景例句
All right. That's it for today.
行了。今天就做这些。
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
Many pedal their tricycles, but most of them prefer to push or drag them.
很多孩子用脚蹬车，但多数孩子更愿意推或是拉着三轮车。