its 和 it✀s 的区别是什么？举个例子解释下谢谢

its是所有格，意思是它的
只是一个单词，表示所有格。
its ear is black，
它的耳朵是黑色的。

it's是两个单词，it is的缩写，意思是它是，
it's a cat，它是只猫。

例句与用法:
When the horse had finished the race, its sides were wet with foam.
这匹马结束比赛时，它的脊背被汗水湿透了。
The 50p coin has a crowned lion on its reverse.
50便士硬币反面的图案是个戴皇冠的狮子.
I don't know the price of the dress; its ticket has fallen off.
我不知道这件衣服的价钱，它的标签掉了。
The little cat drank its milk and washed its face.
小猫喝了牛奶，又洗了脸。
The baby threw its food on the floor.
那个小孩儿把食物扔到地上了。

而It's = It is
如：
It is a book.

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It's 是it is 的缩写。例句it's a pen. 这是钢笔
Its 是it 的所有格形式。例句its duty 它的职责

its
pron.
(it的所有格，具有形容词的意义)它的
The little cat drank its milk and washed its face.
小猫喝了牛奶，又洗了脸。

I don't know the price of the dress; its ticket has fallen off.
我不知道这件衣服的价钱，它的标签掉了。

it's [its]
it is的缩写, it has的缩写
It's a dog
这是一条狗
It's been broken
它已经损坏了

its 它的 物主代词
it's 是 it is 的缩写

相当于his和he is的区别