名词
中文翻译：观察塔
同义词：
['observatory', 'lookout tower', 'observation tower']
例句：
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1. The engineer designed a new lookout cupola for the construction site.
工程师为施工现场设计了一个新的观察塔。
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2.The lookout cupola provided excellent views of the surrounding area.
观察塔提供了周围地区的绝佳视野。
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3. The construction crew was working on upgrading the lookout cupola to improve safety.
施工队正在升级观察塔，以提高安全性。