- After mating, the adults lay their eggs and then their job is done.
成蝉在交配完并产卵后,它们的工作也完成了 - In just a few days they will all die and the forest will fall silent.
几天的时间内他们全将死去,森林又会恢复平静 - The cicadas here, will not be heard again for another seventeen years.
在接下来的17年里,不会再听到布鲁德蝉的声音了 - Having fed the predators, the cicadas leave one final gift for the forest itself.
喂饱了掠食者后,蝉给森林留下了最后的礼物 - The nutrients in a generation of cicadas are returned to the soil, all at once
这些蝉给土壤提供了大量养分 - and the trees enjoy a marked spurt in growth.
树木也可以享受疯长的乐趣 - This may be the single largest dose of fertilizer in the natural world.
这可能是自然界最大剂量的一只营养针
Having fed the predators, the cicadas leave one final gift for the forest itself. 喂饱了掠食者后,蝉给森林留下了最后的礼物
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