Sea cucumbers are strange animals living at the bottom of the sea.
海参是生活在海底的奇怪动物。
The heart of their argument is that humans are social animals and that in highly unequal societies those at the bottom suffer from a range of pathologies.
他们的中心论点是人类是具有社会性的动物，在高度不公平的社会中那些处在社会底层的人们遭受着病理疾病的折磨。
Typically, this is a fish-eat-fish affair, with vegetarians like krill taking their place at the bottom (phytoplankton are plants, whereas zooplankton are animals).
这是典型的涉及在食物链底端(浮游植物是植物，反之浮游动物是动物)的象磷虾等植食动物的鱼吃鱼的事件。
The bottom line is that some animals called "caribou" now may be what people in Finland and other countries refer to as reindeer, and some may not.
最起码，一些被叫做“caribou”的动物可能就是芬兰以及其他国家人口中的“reindeer”，而另一些则可能不是。
Detritus from dead plants and animals that settled to the bottom was buried by sediment and broke down into methane after million of years.
死去的动植物的残骸沉落海底，被沉积物掩埋，并在数百万年后分解成甲烷。
The bottom line is they do not want to spend the money to take care of the animals, but pawn off the misery on others.
他们的底线是不想花钱照顾动物，而把痛苦转嫁给其他人。
Fish, clams, shrimp, crabs, entire mussel reefs and other bottom-dwelling animals can be wiped out.
鱼，蚌，虾，蟹，蚝礁和其他居住在海洋底部的生物会被消灭得一干二净。
Living on the bottom can be rough, however, and scientists are still trying to understand the many ways deep-sea animals adapt to their environment.
生活在海底可能是艰难的，然而，科学家仍然试图去寻找深海动物适应其环境的各种方式。
In 2000, Kiessling and two colleagues began to study fossils of sea-bottom-dwelling animals.
早在2000年，基斯林和他的两个同事就开始了对海底动物化石的研究。
In 2000, Kiessling and two colleagues began to study fossils of sea-bottom-dwelling animals.
早在2000年，基斯林和他的两个同事就开始了对海底动物化石的研究。
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