The vast forests of West Africa have shrunk.

西非那片广袤的森林已经缩小了。

《柯林斯英汉双解大词典》

Vast forests with pure and fresh and green.

广袤的森林有着清新的翠绿色。

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The vast forests and grasslands also include unique species of plants.

巨大的森林和草地上也生长了一些独特的植物物种。

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We're talking about a vast number of trees that are taken out of forests every year, which are contributing to that one-fifth of global emissions that comes from deforestation and contributing to the loss of wildlife, contributing to the loss of people's livelihoods and contributing to the loss of revenue from governments."

VOA: standard.2010.07.28

For much of its history, the state's economy depended largely on harvesting its vast forests.

FORBES: New Geographer

Some have vast forests and the benefit of science to tell them what lives there and what use it might be.

ECONOMIST: Tropical news

The Dayaks once lived a nomadic existence in the island's vast forests.

ECONOMIST: Indonesia