n.童年；幼年

I have only misty memories of my early childhood. 我對自己的童年只剩一些模糊的記憶。

Childhood is a period of rapid growth. 幼年是生長迅速的時期。

I had known him from his childhood. 我從他幼年起就認(rèn)識他。

childhood一般不用復(fù)數(shù)形式,有定語修飾時,可加不定冠詞。指孩提時代的教育、環(huán)境時，可以有復(fù)數(shù)。