It is a big, bright book, which tells the story simply and happily for very young children.

这是一本又大又鲜艳的书，它简单而又轻快地给孩子们讲了这个故事。

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The book is aimed at very young children.

这本书的对象是幼童。

《牛津词典》

Very young children should not be left to play without supervision.

不能让幼儿在没人照看的情况下独自玩耍。

《牛津词典》

Some parents take their children's birthday parties very seriously, even when the child is too young to fully understand the celebration.

VOA: special.2009.09.11

And so, I have a film clip here of two very nice studies showing babies' ignorant--sorry, young children's ignorance of other people.

我给大家放两个优秀实验的电影片段,这个影片表明了幼儿对他人的无知

耶鲁公开课 - 心理学导论课程节选

But now, I want to raise a huge developmental puzzle and the puzzle is there are some ways in which babies are-- not just babies,but young children are very clueless when it comes to people.

但现在我想提出一个发展心理学的难题,这个难题是,当提及与人类有关的知识时,婴儿,甚至是幼儿,在某些方面都是完全不知的

耶鲁公开课 - 心理学导论课程节选

We already know that very young children make up theories about everyday physics, psychology and biology.

WSJ: Moral Puzzles That Tots Struggle With | Mind & Matter

The center's mission is state-of- the-art reconstructive heart surgery for babies and very young children.

FORBES: Fact and Comment

Research claimed that homework for very young children was putting too much stress on family life.

BBC: NEWS | School Report | 'Stressful - but lots of fun'