That is why the outlook for the big, slow-growing creatures of the deep, some of which travel long distances, is so bleak.

这就是那些深海里大而生长缓慢的动物前景黯淡的原因，其中有些动物生存中要游很长的距离。

youdao

These deep ecosystems provide shelter, spawning and breeding areas for fishes and other creatures, as well as protection from strong currents and predators.

这些深海生态系统为鱼类以及其他生物提供生存，产卵以及繁殖的场所，也保护他们免受强流以及猎食者的袭击。

youdao

The discovery of life-forms so deep underground strengthens the notion that most of the organisms on the planet are in fact hardy, single-celled creatures that live in the rock beneath our feet.

在如此深的地下发现生命再次表明了我们星球上大多数生物是生活在我们脚下岩石中强悍的单细胞生物。

youdao

His investigations have involved deep-sea creatures called siphonophores.

VOA: special.2011.05.10

The latter is made up of six different instrument stations that gather data on plate tectonics, hydrothermal vents and deep sea creatures.

MSN: Seafloor observatory to keep close eye on Arctic Ocean

Until recently, little had been known about this species, apart from the fact that like many deep sea creatures it has the ability to glow - a trait called bioluminescence.

BBC: Glowing shark scares off predators with 'lightsabers'

Where there is no light, as in the deep sea, creatures rely on chemical energy (or chemosynthesis).

UNESCO: MEDIA SERVICES