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视频出处：
本影片片段出自《非洲》
They're over 60 centimetres long, already big enough to be
他们身长60多厘米 足以对森林里
a threat to the smaller inhabitants of the forest.
比他们小的居民构成威胁
But they are themselves vulnerable.
但是他们自身也是很脆弱的
Particularly to other snakes.
尤其是对其它蛇来说
But this one is their mother.
但这是它母亲
Unusually for snakes,
超乎寻常的
her maternal instincts continue for days after her eggs hatch.
蛇宝宝出壳后 她的母性本能仍持续了几天
Even so, the forest is such a dangerous place
即便如此 森林是个危险遍布的地方
that only one in 100 of her youngsters is likely to reach adulthood.
蛇宝宝长大成年的概率只有1%
Just occasionally, the competition eases.
森林里偶尔也会有竞争缓和的时候
A tree suddenly produces fruit.
有棵树突然结果了
It's a magnet for the creatures of the canopy,
那非常吸引在树冠层上生存的生物
and they, in turn, as they feed,
他们在自己吃的同时
create a bonanza for those on the ground below.
也给地面生存的生物带来了福利
