Preschool-age Children的意思|示意

Preschool was available to children between the ages of three and six; it was obligatory from age five.

三至六岁之间的孩子需接受学前教育。 从五岁开始教育是强制性的。

Children must start school by age six, but many go to preschool at age four.

从6岁起儿童必须接受学校教育，但很多孩子在4岁起就开始上学前班。

The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu.

美国肺脏协会指出，判断婴儿和学龄前儿童何时会患流感可能尤其困难。

A short course of oral prednisolone is widely used to treat preschool children with wheezing who present to a hospital, but there is conflicting evidence regarding its efficacy in this age group.

治疗前来医院就诊的患有喘鸣的学龄前儿童广泛应用短期口服泼尼松治疗，但是，关于这个年龄组的治疗效果有相反的证据。

Age: 47 infants, 67 preschool children, 50 school age children.

年龄：婴幼儿47例，学龄前儿童67例，学龄期儿童50例。

Results Preschool children of the age about 3 years were easy to have hand-food-mouth disease and offen come to collective infection;

结果手足口病好发于3岁左右学龄前儿童，易发生集体感染；