未登录,请登录后再发表信息
最新评论 (0)
播放视频

永生是可能的事情吗?

Is it possible to live forever? | Natural History Museum

while most organisms grow old over time
当大多数生物随着时间流逝变老
there is one animal that stays forever young
有一种动物却永远保持年轻
The tiny jellyfish Turritopsis dohrnii
小型的灯塔水母
is one of the few animals
是为数不多的
that can be considered truly immortal.
被认为是真正永生的动物之一
Jellyfish normally go through a life cycle that begins with an egg
灯塔水母通常以卵作为生命周期的开始
and then slowly grows to a larva.
之后慢慢长成幼体水母
This attaches to a rock or another solid surface
幼体水母附在岩石或者其他坚硬的表面上
where it continues to grow,
继续生长
becoming a polyp.
成为水螅体
Once the polyp is big enough,
一旦水螅体足够大
it starts to bud off and the adult jellyfish,
它开始蜕变成为成年水母
known as a medusa, drifts into the ocean.
即大家都知道的水母型 在海里漂游
In the case of the immortal jellyfish,
以永生的水母为例子
after it reaches its mature adult stage
在达到的性成熟的成年阶段后
it can revert back to the polyp stage
它可以转化回水螅体阶段
before growing into an adult once again.
然后再次长成成年水母
Potentially this can be repeated indefinitely,
可能的话这个过程可以无限重复
resulting in a jellyfish that won’t die of old age.
这导致水母不会死于年老

发表评论

译制信息
视频概述

本视频介绍了一种可以“永生”的动物---灯塔水母

听录译者

收集自网络

翻译译者

萤火絮语

审核员

审核员XY

视频来源

https://www.youtube.com/watch?v=ayOmAJwCMlM

相关推荐