Matrix calculus
[计] 矩阵计算
🧩 词语组成解析
calculus
['kælkjələs]
n. [医]结石，石，积石，牙垢;[数]运算，演算，微积分（学）;
ule,ulus 后缀;表”小,少”#词根助记：calc石头(古时候用石头来计算)##calc 石灰,石头#词根助记：calc石头(古时候用石头来计算)
🗣️ 情景例句
For example, did you know that 1 in 4 teenagers has tried marijuana?
比如，你是否知道4个青少年中就有1位曾经吸过大麻？
They had to cut down a lot of trees to make room for farms.
他们为了为农场增加空间不得不砍倒很多树。
No.Later, in a few weeks' time I'll put the little plants in the earth.
不止。几星期以后，我要把菜秧移到地里。