- 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 - These loose boulders are the mountain's crumbling bones.
这些散落的石块是从山脊上崩裂下来的
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
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