连幼儿也有这么严重的龋齿，需要拔掉。

Even young children have teeth so decayed they need to be pulled.

《柯林斯英汉双解大词典》

许多提供幼儿看护的机构人手及设备不足。

Many institutions offering child care are understaffed and underequipped.

《柯林斯英汉双解大词典》

幼儿的注意力持续时间很短。

Small children have a very short attention span.

《牛津词典》

Within the visible range of what we can see, you also want to know this relative order that's pretty easy -- most of us have memorized that in kindergarten, so that should be fine.

在可见光的范围内，你们要知道它们排列的,相对顺序，这非常简单,你们在幼儿园的时候。

麻省理工公开课 - 化学原理课程节选

And we still have the ones that we made in kindergarten when we were really little,

我们还保留着我们幼儿园时做的东西。

洛克菲勒中心的时光 - SpeakingMax英语口语达人

Mary Rudder Hello, I'm Mary Rudder from the Harvard Kent School in Charles Town and I teach kindergarten.

大家好，我叫,来自查尔斯镇的哈佛大学肯特学院,我在幼儿园任教。

麻省理工公开课 - 媒体、教育、市场课程节选