较小数的英文：
n. minor number

minor是什么意思：
adj. 较小的；未成年的
n. 副修科目；未成年人
v. 副修某科

during one's minority
未成年期间

You neglected the minor premise in a syllogism
你忽视了三段论中的小前提。

She played a minor role in the opera.
她在那出歌剧里扮演了一个小角色。

She is in the minority who supports abortion.
她是少数几个支持堕胎的人之一。

an antisocial misdeed in violation of the law by a minor.
未成年人的反社会的违法行为。

number是什么意思：
n. 数；号码；算数
v. 给…编号；计算，数

The number was fifty.
该数字为五十。

There is safety in numbers
人多势众

It was an irrational number.
这是一个无理数。

Which number on the card is a prime number?
在卡片上哪一个数字是最初的数字？

The number raised to the logarithm of a designated number in order to produce that designated number.
被升到指定数字的对数上的数量,是为了得到那被指定的数目。