In elementary school, almost everything that a child studies is required.

在小学，孩子学习的几乎所有东西都是必需的。

This was a law that most Americans school children study about when they study American history.

这是大多数美国小学生在学习美国历史时都会学习的一个规律。

Internet connections failed; parents were unable to supervise their children's studying; students did not know how to use technology and more.

网络连接失败；家长无法监督孩子们学习；学生不知道如何使用高科技等等。

Parents glow with passion when their child studies hard, wins first place, gets into a prestigious college.

当孩子努力学习、考上第一名、考上名牌大学时，家长们都热血沸腾。

In the afternoons, he would sit outside the house and listen to the children study their lessons.

下午，他会坐在屋外听孩子们学习功课。

Nearly 600 Syrian children study in the eight classrooms here, the younger ones in the morning, the older ones in the afternoon.

在这8个教室里有近600名叙利亚儿童, 年轻一点的在早上上课, 年长的在下午学习。

Several families who either work at the college or have children studying here offer visiting students a room in their homes.

一些在这所大学工作或有孩子在这里学习的家庭为来访的学生提供了一间在他们家里的房间。

Under the program, which started in March 2021, Seoul children study for at least six months in schools throughout the southwestern part of the country.

根据这项于2021年3月启动的计划，首尔的孩子至少要在西南地区的学校学习6个月。

Some people think compulsory education is bad because it requires that a child study for many years without giving the child a choice.

有些人认为义务教育不好，因为它要求孩子学习很多年，却不给孩子选择的余地。

20. Reduced Allergies in Children: Studies suggest that early exposure to pets may lower the risk of developing allergies and asthma later in life.

20. 减少儿童过敏：研究表明，早期接触宠物可能会降低日后发生过敏和哮喘的风险。

One theory holds that maternal obesity during pregnancy causes higher rates of obesity in children; studies that expanded the research have found that paternal size explains the variation better.

一种理论认为， 怀孕期间母亲肥胖会导致儿童肥胖率更高。扩展研究的研究发现， 父亲的体型可以更好地解释这种差异。