名词
中文翻译：观察站
同义词：
['observation post', 'watchtower']
例句：
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1. The military has established a watch station at the border to monitor incoming traffic.
军方在边境设立了一个观察站，以监控进入的车辆。
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2. The police have set up a watch station near the crime scene to investigate the incident.
警方在犯罪现场附近设立了一个观察站，以调查这起事件。
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3. The scientists have set up a watch station on the moon to study its effects on Earth's climate.
科学家们在月球上设立了一个观察站，以研究其对地球气候的影响。