名詞 it:

1. the branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
   同義詞：information technology, IT

1. When the horse had finished the race, its sides were wet with foam.
   這匹馬結(jié)束比賽時，它的脊背被汗水濕透了。
2. The 50p coin has a crowned lion on its reverse.
   50便士硬幣反面的圖案是個戴皇冠的獅子。
3. I don't know the price of the dress; its ticket has fallen off.
   我不知道這件衣服的價錢，它的標簽掉了。
4. The little cat drank its milk and washed its face.
   小貓喝了牛奶，又洗了臉。
5. The baby threw its food on the floor.
   那個小孩兒把食物扔到地上了。

its

adj.（形容詞）
it的所有格形式
Used as a modifier before a noun:
作定語：在名詞前用做修飾語：
例句：
The airline canceled its early flight to New York.
該航空公司取消了飛往紐約的早班飛機

來源：
Alteration of it`s
it`s的變化
it
it
-`s
-`s

Its, the possessive form of the pronoun it, is never written with an apostrophe.The contractionit`s (for it is or it has ) is always written with an apostrophe.
Its 是代詞 it 的所有格形式， 從來不用上標點，而縮寫形式it`s （代表 it is 或者 it has )通常都要與上標點連用