Null matrix
[计] 零矩阵
🧩 词语组成解析
🗣️ 情景例句
That's OK.
没有关系 。
If you don't have the quality inquired for, please offer us its nearest equivalent.
如果贵方没有所要求质量的产品，请提供与之最接近的产品。
Mr. Green doesn't climb down the chimney. He waits until the children are asleep.
格林先生不从烟囱上爬下来，他等候孩子们都睡熟。