Because if the first tower fell, the second one was going to fall too.

因为如果第一座大楼倒塌了，第二座大楼也会倒塌。

Then there's the retaining wall that remarkably held strong even when the towers fell.

这里还有一堵不会倒的墙，即使双子塔楼倒了，它也能很好地撑住。

First of all, from the moment the first tower fell there was a clock ticking and it was ticking in my head.

首先，从第一座塔楼倒塌的那一刻起，便有个时钟在我的脑子里一直嘀嗒作响。

When I got to Continental Avenue, that's when I found out exactly what had happened, you know, as far as the tower falling.

当我到达大陆大道的时候，我才知道到底发生了什么，你知道，就在塔楼倒塌的时候。

'The tower fell at dusk, did it not?

“塔是在黄昏倒塌的， 不是吗？

It only lasts for a few minutes at sunset when the winter light hits the park's towering Horsetail Falls. At just the right angle.

日落时分，奇观只会持续数分钟的时间，发生的条件是冬日的阳光与公园的高耸的马尾瀑布以正确的角度交汇。

In the day of great slaughter, when the towers fall, streams of water will flow on every high mountain and every lofty hill.

在大行杀戮的日子、高台倒塌的时候，各高山冈陵必有川流河涌。

A New York City police officer rang a bell where the Twin Towers once stood at 10: 28 a. m. That is the time when one of the towers fell 16 years ago.

纽约市一名警察于10点28分在双子塔旧址敲响了钟声。这一时刻是16年前双子塔中的一座倒塌的时间。

The tributes continued throughout the morning with the nation pausing five more times, the moment each Twin Tower fell, when the Pentagon was attacked and the moment United Flight 93 crashed into a field in Pennsylvania.

悼念活动持续了整个上午，全美又进行了五次默哀，分别为双子塔每座塔倒塌的时间，五角大楼遭袭击的时间，联合航空93号航班坠入宾夕法尼亚州田地的时间。

A pleasant old garden on the borders of the lovely lake, with chestnuts rustling overhead, ivy climbing everywhere, and the black shadow of the tower falling far across the sunny water.

一个宜人的古老花园，位于美丽的湖边，栗子在头顶沙沙作响，常春藤无处不在，塔的黑色阴影远远地落在阳光明媚的湖面上。