They were now over the fearsome island, flying so low that sometimes a tree grazed their feet.
他们正飞在那可怕的岛屿上方,飞得很低,不时有一棵树擦过他们的脚。
To achieve giant stature, a tree needs three things: the right place to establish its seedling, good growing conditions and lots of time with low adult mortality.
要想长得高大,一棵树需要具备三个条件:合适的育苗地点、良好的生长条件和大量低成虫死亡率的时间。
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