multiplication

名词 multiplication:

1. an arithmetic operation that is the inverse of division; the product of two numbers is computed
   同义词：times
2. the act of producing offspring or multiplying by such production
   同义词：generation, propagation
3. a multiplicative increase

1. Don't think you can learn grammatical rules like you learn multiplication tables.
   不能像记乘法表那样记语法规则。
2. The multiplication of numbers have make our club building too small.
   会员的增加使得我们的俱乐部拥挤不堪。
3. Our teacher used to drum our multiplication tables into us.
   我们老师过去老是让我们反覆背诵乘法表。
4. The multiplication of students has made our school too small.
   学生的增加使学校显得拥挤。
5. My son began to study multiplication when he was six.
   我儿子六岁的时候开始学习乘法。

mul.ti.pli.ca.tion

n.（名词）
The act or process of multiplying or the condition of being multiplied.
增加：增加的行为或过程或者被增加的情况
Propagation of plants and animals; procreation.
繁殖：动植物的繁殖；生殖
Mathematics
【数学】
The operation that, for integers, consists of adding a number (the multiplicand) to itself a certain number of times. The operation is extended to other real numbers according to the rules governing the multiplication of integers.
乘法运算：对于整数，一个被乘数乘以一定倍数的乘数的运算。根据整数乘法运算法则，此种乘法运算可运用到其他实数
Any of certain analogous operations involving expressions other than real numbers.
涉及除了实数以外的表达式的任何相似的运算

【引伸】
mul.tiplica.tional
adj.（形容词）