在3岁以前，有超过80%的幼儿至少感染过一次耳炎。
More than 80 percent of children experience at least one ear infection before age 3.
本次共有二十六名四至五岁的幼儿园儿童参与这项为期八周的研究活动。
Twenty six kindergarten children aged four to five participated in the eight week study.
当我五岁的时候，我每天都要去幼儿园。
When I was five years old, I went to the kindergarten every day.
周海湄开始在我国幼儿学校在三岁的。
幼儿的钢琴训练从三至四岁就可以开始了。
Piano training of young children can begin around the ages of three to four.
当我三岁的时候就去上幼儿园。
三岁的时候，我被送到清华大学附属幼儿园。
At the age of three, I was sent to the kindergarten affiliated to Qinghua University.
两岁以下的儿童不准进幼儿园。
Children under two years old cannot be received into the kindergarten.
未满3岁的婴幼儿观看电视，可造成睡眠节律紊乱。
Infants under 3 years old watch television, can cause sleep rhythm disorders.
未满3岁的婴幼儿观看电视，可造成睡眠节律紊乱。
Infants under 3 years old watch television, can cause sleep rhythm disorders.
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