- Millions have flown up here to escape the heat of the lowlands
为了躲避低洼地带的炎热 数百万只飞蛾抵达此地 - and they're now roosting among the rocks.
栖身于岩石缝隙之中 - Moths may seem a meager meal for a bear,
飞蛾似乎并不足以填饱熊的肚子 - but their bodies are rich in fat
但它们身体内富含脂肪 - and can make all the difference in a bear's annual struggle for survival.
直接关系到灰熊每年冬天的生存能力 - Another battle is being waged here
这里又开辟了一个新的战场 - but on a much longer timescale.
可是不会持续多久
but their bodies are rich in fat 但它们身体内富含脂肪
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