even number意思是偶數。
例句：
odd number
1、There's an odd number of candidates.
候選人總數為單數。
2、Three is an odd number.
三是個奇數。
3、The game can't be played by an odd number of people.
這個遊戲不能由奇數的人玩。
4、One more than any odd number is an even number.
比任何壹個奇數大壹的數是偶數。
5、It's eternally an odd number.
它永遠是個奇數。
even number
1、One more than any odd number is an even number.
比任何壹個奇數大壹的數是偶數。
2、Since this is an even number of holes, a parity hole would be added.
因為這是壹個偶數的孔，孔平價將增加。
3、The sum of any two elements has an even number of prime factors.
其中任何兩個元素之和有偶數個素因子。
4、But if you roll an even number while adjacent to the peppermint forest.
但是如果妳搖到了偶數，走到薄荷森林這個點。
5、Since there's an even number of us we can work in pairs.
我們人數為偶數，所以可以配成對幹活。