四的单词four；
例句
Shes four years his junior.
她比他小四岁。
Four quarters make a whole.
四个四分之一构成一个整体。
He battled cancer for four years.
他同癌症斗争了四年。
The ship spent four days in port.
这艘船在港口停泊了四天。
Our team won by four runs.
我们队以四分的优势取胜。
The baby was four weeks premature.
这个婴儿早产了四周。
