And several times a year, a generally quiet part of town with no big buildings or yachts comes alive with a flourish.

VOA: standard.2010.04.19

Sons and daughters, though, were still part of the household, as long as the paterfamilias was alive.

儿子和女儿。。。,仍是家户的一员，只要家长还健在。

耶鲁公开课 - 新约课程节选

In fact, even if you haven't had a biology class it's hard to be alive in 2008 and not know something about DNA; it's become such an important part of our lives.

实际上,即使你们没有上过生物课,也不可能活在当下却对DNA一无所知,它已经与我们的生活密不可分

耶鲁公开课 - 生物医学工程探索课程节选