The schoolyard looked empty without them, so they decided to plant young trees.

没有了他们，校园显得空荡荡的，所以他们决定种一些小树。

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After we finished our work, we were happy to see the young trees we plant on the river bank.

我们完成以后，就高兴的站在河边看我们种下去的小树苗。

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The Young Pioneers will plant trees near the power plant.

少先队员们将在那家电厂附近栽树。

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The government says that the plan to plant 250, 000 young ash trees is the first project of this kind in Europe.

BBC: Government to plant 250,000 trees to beat ash dieback