你家里的电线应该每十到十五年更新一次。
The wiring in your house should be renewed every ten to fifteen years.
最后一次冰川作用的漂浮物沉积在最近的其中一个地质时期——更新世，这段时期从180万年前持续到1万年前。
The drift of the last glaciation was deposited during one of the most recent epochs of geologic time, the Pleistocene, which lasted from 1.8 million to 10,000 years ago.
它有一个可预计的、6个月的发行计划，并有三到五年安全更新支持的偶尔的长期支持版本。
It has a predictable, six-month release schedule, with occasional Long Term Support versions that are supported with security updates for three to five years.
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