来自《耶鲁大学开放课程：古希腊历史简介 第2集 第2集》
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a century or two with success and then retreat,在一个或两个世纪里有进有退 -
not having success, flight,没有取得成功 也没有仓皇逃跑 -
all that kind of stuff going on.就这样周而复始 -
Because the Mycenaean centers因为在迈锡尼文明的中心 -
all reveal for that stretch of time有迹象表明在一段时期 -
that they're scared. The proof of it comes from strengthening他们受到了威胁 这样说的证据是 -
their already quite strong walls我们发现的几乎所有的遗迹 -
in almost all the sites that we see,都在本就很坚固的城墙上继续加固 -
and also--this is a very important fact.而且 这是一个很重要的史实 -
If you're expecting to be attacked and besieged,如果你预料到会被攻击和包围 -
as all these citadels would be by an invader,就像这些城邦面对侵略者那样 -
you would want more than anything else a water supply,你最关心的一定是水源供应