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(单词翻译:双击或拖选)
Dogs do have much shorter life spans than we humans do. In an attempt to gauge1 our pet’s stage in life in a way we can relate to, we often use the popular myth of multiplying their age by seven. One problem with the formula is that it doesn’t consider differences in size or breed. In general, smaller dogs live longer than large ones, but reach adulthood2 sooner. It’s fairly common for small dogs to live past sixteen years, so are they really the “age equivalent” of a 112 year old human? On the other hand, for very large dogs to live to sixteen is as rare as humans living to 112, and so the formula may give a closer approximation in that case.
1 gauge | |
v.精确计量;估计;n.标准度量;计量器 | |
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2 adulthood | |
n.成年,成人期 | |
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