Matrix function
[计] 矩阵函数
🧩 词语组成解析
🗣️ 情景例句
Her illness kept her in bed for a week.
她因生病而在床上躺了一星期。
May I borrow some books?
我可以借几本书吗？
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。