With no young trees to replace them, it is only a matter of time before most of the big trees disappear.
由于没有幼树来代替它们，大多数大树消失只是时间问题。
Within a vertical distance of just a few tens of meters, trees disappear as a life-form and are replaced by low shrubs, herbs, and grasses.
就在几十米的垂直距离内，树木这种生命形式消失了，取而代之的是低矮的灌木、草本植物和小草。
Mist was rising, and trees and shrubs began to disappear in a milk-white haze.
薄雾正在升起，树木和灌木丛开始消失在一片乳白色的雾霭之中。
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