n.数字;编号;号码;数量;一群人;期,号;一段音乐;令人羡慕的东西;(语法)数;
v.总计;把…算作;把…编号;
例句:
Let me put down your telephone number lest I forget it.
让我先记下你的电话号码,以免忘了.
Forty is a whole number.
40是个整数.
a finite number of possibilities
为数有限的可能