adj. world-old
misc. as old as Adam ; as old as the hills ; as old as hills
渔业是极古老的生产事业之一，可能比农业还早。
Fishing is one of the primary forms of food production; it ranks with farming and probably predates it.
只有来自极深冰川的古老冰块才能反射出蓝色，这是由于成千年的压力所致。
Only very old ice from a very deep glacier (the result of hundreds of thousands of years of compression) reflects light as blue.
物理学家肖恩·卡罗尔(Sean Carroll)就是其中之一。他因为尝试去回答一个目前还没有科学家能够真正解释的古老问题，已经有了一点极客圈摇滚明星的感觉；这个问题就是：时间是什么？
Physicist Sean Carroll has become a bit of a rock star in geek circles by attempting to answer an age-old question no scientist has been able to fully explain: What is time?
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