small 可以指人的年龄，意为“幼小的”。

Milk is all we need to nourish a small baby. 
我们供给婴儿营养只需喂奶就够了。
It is unfair to label a small baby as naughty. 
硬说一个小小的婴儿淘气是不公平的。
A small baby has no concept of right and wrong. 
小孩不懂什么是正确和错误。
Holding a baby or a small child on your lap for several hours in a plane is harder than it sounds.
抱一个小孩搭几个小时的飞机比想象中的要难得多。
Cody was a timid, small child.
科迪是个头小，生性腼腆的小孩。