她用钢笔和直尺在白纸上画线。

She lined the white paper with a pen and a ruler.

youdao

在白纸上。

On white paper.

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把蜂蜜地在白纸上，如蜂蜜渐渐渗开，证明参了蔗糖和水。

To the honey on white paper, such as honey gradually infiltration open to prove that the parameters of sucrose and water.

youdao

Inside the suitcase is a plain piece of white paper and the children were asked to draw the things they think they would need on the trip. Sometimes they get they wouldn't need.

行李箱里面是一张普通的白纸,我要求孩子们,在纸上画出他们认为必要的,旅行用品，有时候他们画出来的并不需要。

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