multiplication

There will be simple tests in addition, subtraction, multiplication, and division.

将会有加减乘除的简单测试。

However, few people realize the importance of basic skills. As is shown in the picture, the pupils in the class are questioning the necessity of learning basic skill such as multiplication table.

然而，很少有人意识到基本技能的重要性。如图所示，班上的学生正在质疑学习诸如乘法表这样的基本技能的必要性。

Increasing gravity is known to speed up the multiplication of cells.

为人所知的是，不断增加的重力会加速细胞数量的递增。