They planted trees last Sunday.

他们上星期天植树了。

youdao

I planted trees last weekend.

上周末我种树了。

youdao

My parents and I planted trees last Sunday.

我和父母上个周日去种树了。

youdao

Researchers say villages where farmers planted trees did better than others during a drought and food shortage in two thousand five.

VOA: special.2011.05.10

Farmers rarely planted trees or tall crops around the buildings, so there would be no barrier to the airflow.

VOA: special.2009.09.08

At least one-third of the Delmarva farms have planted trees, technically known as vegetative environmental buffers.

VOA: special.2009.09.08

Newly planted trees, meanwhile, are unable to absorb that carbon at the same rate as older trees.

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Newly planted trees, for instance, need several years to mature before they begin absorbing significant amounts of carbon dioxide.

BBC: How big is your carbon footprint?

Those areas reflect as much as 90% of the sun's light, whereas if you planted trees there they would reflect only about 10%.

FORBES