Zoysias turf and Chinese scholar tree forest was the important area.

结缕草草坪、槐树林是防治的重点区域。

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First an acorn; then an oak tree forest.

先是橡子，然后是一片橡树林。

youdao

One species of tree replaces another as a forest ages.

随着森林老化，一种树会取代另一种树。

《柯林斯英汉双解大词典》

Steve Robertson, of NHFT, described aspen as a "charismatic" tree for forest biodiversity.

BBC: Bid to boost 'charismatic' tree

If a tree falls in a forest and no one laughs, then you've killed a perfectly good tree for nothing.

WSJ: Latest 'Development' | Arrested Development | Mitchell Hurwitz | Cultural Conversation by David Mermelstein

If a tree falls in the forest, and no one hears it, it still makes a sound.

FORBES: The Death of SPIN