a

5341 篇文章
capable of going a centimetre a day.
19 0 1

capable of going a centimetre a day. 每天能长长1厘米

so these species must have been isolated for a very long time.
19 0 1

so these species must have been isolated for a very long time. 所以这些物种必定 与世隔绝了相当长的一段时间

There may well be less than a hundred Texas cave salamanders in the wild.
19 0 4

There may well be less than a hundred Texas cave salamanders in the wild. 世界上可能只有不到100只 野生洞栖童态河溪螈

but the snakes have a secret weapon.
19 0 2

but the snakes have a secret weapon. 不过蛇也有自己的秘密武器

A bottleneck funnels these exiting bats into dense concentrations
19 0 3

A bottleneck funnels these exiting bats into dense concentrations 当大群蝙蝠密集地通过瓶颈出口时

For these fish the caves are a night time retreat,
19 0 2

For these fish the caves are a night time retreat, 对于这些鱼来说 洞穴是理想的过夜场所

There are other fish working to a different schedule.
19 0 2

There are other fish working to a different schedule. 这里还有其它 按照不同日程表生活的鱼

After a day feeding in the open water
19 0 0

After a day feeding in the open water 经过一天开放水域的觅食之后

which they use as a refuge from predators.
19 0 1

which they use as a refuge from predators. 这里是它们躲避天敌的地方

making it a particularly difficult place for animals to live.
19 0 1

making it a particularly difficult place for animals to live. 对动物而言是极为困难的生境