Objective to identify the language development in 2 to 4-year-old children.
目的了解2 ~4岁儿童正常的语言发育规律。
At present, pathological adenoidal the best treatment approach is surgical resection, 4-year-old children can be more than surgery.
目前，病理性腺样体肥大最好的治疗办法就是手术切除，4岁以上患儿即可手术。
The subjects in this study were 4-year-old children. 68 of them were classified as social withdrawal children after an observation of 30 minutes' free play.
本研究以4岁儿童为被试，通过对30分钟自由游戏的观察，其中的68名被鉴别为行为退缩儿童。
The results were that: (1) The counting accuracy of 4-year-old children was higher than 3-year-old children's, but the larger the sets, the lower the counting accuracy;
研究发现：（1 ）随着数列数目的增大，3、4岁儿童数数精确性呈下降趋势，但4岁儿童在各项任务上的数数精确性显著高于3岁儿童；
At the Clara Barton Center for Children in Cabin John, Md., it starts with expecting a 4-year-old to hang up her coat without being asked.
在CabinJohn,Md.的克拉拉·巴顿儿童中心，对一位4岁的孩子的首要要求就是在没有人要求的情况下挂好自己的外套。
Methods 96 children aged 4- to 6-year-old were surveyed by clinical interview.
方法采用三因素混合实验设计，以临床访谈法对96个4~6岁儿童进行测试。
Last week, my 4-year-old daughter Sally was invited to take part in a children party.
上周，我4岁的女儿萨莉被邀请去参加一个儿童聚会。
4 4 College Students (full-time), wheelchair spectators and minor children under 16 years old shall subject to the special terms and conditions for tickets which will be published every year.
4针对全日制在校大学生、轮椅观众、未满16周岁的未成年观众等的票务适用每年公布的特殊票务政策。
Thought he was a man, and later saw him had brought a 4-5 year old little girl and went, feeling that his wife and children joke.
以为他一个人，后来看到他带了个4 - 5岁左右的小女孩又走了，感情是带着老婆孩子来玩的。
The results indicated:(1) The scores of 3-year-old children's consequent counterfactual reasoning were lower than that of 4 and 5-year-old children.
结果表明：1.3岁儿童在结果反事实推理中的得分显著低于4岁和5岁儿童，而4岁和5岁儿童的得分并不存在显著差异；
2 year old of -4 year old children need to gradually reduce the button clothes, to direct a in clothes.
2岁- 4岁的儿童需要逐渐减少有扣子的衣服，转为直接套头进去的衣服。
2 year old of -4 year old children need to gradually reduce the button clothes, to direct a in clothes.
2岁- 4岁的儿童需要逐渐减少有扣子的衣服，转为直接套头进去的衣服。
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