老大老二英文

Boss, the second and third.

Number One ，two, three, four, fiveNo.1, 2, 3,4,5

我想可能是这样吧：the first old, the second elder, the third elder, the fourth elder,the youngest / the fifth elder.

oldest child, second child, third child.... 最小的是：youngest child

old oneold twoold threeold ..........

The first child, the second child and the third child.