偶数

mǎ lù zhè bian de fáng zi shì ǒu shù hào

马路这边的房子是偶数号。

Houses on this side of the road have even numbers.

ǒu shù zài shù xué shang de dìng yì shì néng bèi èr zhěng chú de shù

偶数在数学上的定义是能被二整除的数。

The mathematical definition of an even number is one that is exactly divisible by two.