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At last, the young become big enough to fend for themselves.
小赤椿象终于长大 可以照顾自己了
But their success has come at a cost.
但它们的成功是有代价的
The mother has worked herself to death.
它们的母亲已经累死了
And now her body
现在母亲的身体成了 儿女离家前的
has become their last meal before they leave home.
最后一餐
Looking after the young in such a way
像这样照顾儿女
is thought to be the first step towards living in a community.
被视为迈向社群生活的第一步
But some insects benefit from doing the opposite of collaborating.
但有些昆虫想要甜头 就是打死也不合作
They kill one another.
它们互相残杀
Dawson's bee is one of the largest in the world.
道森氏掘穴蜂 体型堪称蜂中之最
It nests in the baked soil of the Australian outback.
它们在澳洲内地 干硬的土壤里筑巢
Flowers are rare in thisdesert, so colonies of these bees
这片沙漠很少看见花朵 因此这种蜂的蜂群
are few and far between.
数量稀少，相隔遥远
The bees excavate tunnels fortheir young.
掘穴蜂为幼蜂挖掘地道
