Known as the forest transition, this can be visualised as a curve in the shape of a ski-jump, first sloping down steeply and then turning up gently as the forest creeps back.
这一过程被称为森林转变，它可被形象地表现为一条跳台滑雪型的曲线：一开始陡然下滑，之后随着逐步还林，曲线缓缓上升。
They hiked a few hundred feet into the forest before settling down to jump in puddles, examine a hibernating lizard and paint Easter eggs.
接着，他们又往森林深处走了几百英尺才停顿下来。 孩子们尽情嬉戏，有的甚至跳进了水坑玩闹，有的在观察冬眠的蜥蜴，有的开始画复活节彩蛋。
Trees live in the forest. Rabbits jump in the forest. Birds fly in the forest.
森林里生长着树木。兔子在森林里蹦跳。鸟儿在森林里飞翔。
Trees live in the forest. Rabbits jump in the forest. Birds fly in the forest.
森林里生长着树木。兔子在森林里蹦跳。鸟儿在森林里飞翔。
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