# preschooler ##### 词义 - #词性/n 学龄前儿童 ##### 例句 - Thus it is necessary for child health care to develop vision screening in 3-and 4-year children in order for the protection of preschooler vision . - 因此建议儿童保健中应全面开3～4岁儿童的视力筛查，做好学龄前儿童的视力保护。 - To know preschooler 's constitution and to study methods of making normal values of preschooler 's physical exertion using linear regression model . - 了解学龄前儿童体能素质，探讨利用线性回归制定其体能四项运动指标正常值的方法。 - The classroom for small preschoolers is a little different from the rest of the school . - 学龄前儿童的教室和学校其他地方有一些不同。 ##### 形态 - #形态/word_pl preschoolers