From the window we could see the childre playing in the playground .

从窗口我们可以看见孩子们在操场上玩。

Poor food arrests the natural growth of childre .

粗劣食物妨碍儿童的自然成长。

A preparatory school is a private junior school , where parents pay for their childre 's education .

预科学校是私立高级学校，学生家长要交付教育费。