I taught English to primary school and middle school students.

我教过小学生和中学生英语。

youdao

Overweight burden of study has become the pressure on the primary and middle school students.

过重学习负担已成为压迫中小学生生存的外在力量。

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Harry potter author JK rowling, it is very popular in primary and middle school students.

哈利·波特的作者是JK罗琳，它很受中小学生的欢迎。

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Harry potter author JK rowling, it is very popular in primary and middle school students.

哈利·波特的作者是JK罗琳，它很受中小学生的欢迎。

youdao