We really don't know a lot about how long a wood frog normally lives, probably just a few years but there is no evidence its longevity.

对于一只树蛙通常能活多久，我们确实知道得不多，可能只有几年，但没有证据表明它能长寿。

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Longevity statistics reveal that the average person doesn't last very long after retirement.

寿命统计数据显示，一般人退休后活不了多久。

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Thanks to modern medicine and better public health, women now live nearly as long after the menopause as before, yet their ovaries haven’t caught up with the jump in longevity.

得益于现代医学和良好的公共卫生，现代女性可以在更年期后活得跟更年期前一样长。 然而，她们的卵巢并未与寿命一同增长。

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They're shaped like cranes, the long-legged birds that in China symbolize longevity .

FORBES: Life

Though they may remain in those macrophages for a long time, Dr West says that this longevity does not seem to cause problems.

ECONOMIST: Treating tumours

An electric car's longevity depends a great deal on how long its battery lasts, not least since it is very expensive to replace them.

BBC: Electric cars 'pose environmental threat'