尽可能重复使用纸张。Try where possible to reuse paper.使尺子与纸张的中部成一条直线.Align the ruler and the middle of the paper.他在纸张的两面都写字以节省用纸.He writes on both sides of the sheet to conserve paper....

“纸张”的拼音为：zhǐ zhāng...

“纸张”的英语可以翻译为：paper，sheet ...