By the time, many advanced women flooded to lower primary school and higher primary school.
那时候的前进妇女正是纷纷地大批涌进初小，高小。
The obligatory school system usually includes the primary education and secondary education I (lower secondary).
义务学校体系包括初级教育和中级教育i(较低的中级教育)。
Lower grades are seven or eight-year-old children, first entered primary school, almost nothing.
低年级都是七八岁的儿童，刚进小学，差不多什么都不会。
Lower grades are seven or eight-year-old children, first entered primary school, almost nothing.
低年级都是七八岁的儿童，刚进小学，差不多什么都不会。
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