他们摧毁了敌人的防卫工事。
坚实的城墙及宽阔的护城河是唐朝首都的重要防卫工事。西安古城墙及护城河是中国保存较为完好的古代建筑之一。
Well preserved in China, the thick and strong city wall and the moat of Xi 'an were significant defense structures of the ancient capital of Tang dynasty.
他说更多的碎陶片是公元前10世纪之后的,大约是大卫王统治期间,如果该防卫工事在那之前就已经投入使用,应该会有更多的陶片。
He said more broken pottery found from the 10th century BC, presumably King David's reign, should have been found if the fortification had been in use then.
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