这三十年间充满着危险，从自然界的虐食者到油泄漏到捕鱼设备的纠缠物。
The intervening three decades are fraught with peril, from natural predators to oil spills to entanglement in fishing gear.
即使到了17世界的末期，科学家对不同生物间的联系关系依旧一无所知，生物的描述和分类也是杂乱无章。
At the turn of the 17th century there was no sense of how creatures were related to each other; descriptions and classifications were unsystematic.
在自然界，和房产界一样，位置决定一切，而潮间带就是自然界的帕克大街。
In nature, as in realestate, location is everything, and the intertidal zone is Park Avenue.
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