动词短语
中文翻译：在
同义词：
['survey', 'explore', 'investigate']
例句：
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1.The geologists took soundings in the ocean floor to map the underwater landscape.
地质学家们在海底进行了勘探，以绘制水下景观图。
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2. The scientists are exploring the possibility of life on other planets.
科学家们正在探索在其他行星上可能存在生命的可能性。
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3. The engineers are investigating the cause of the fire that destroyed the factory.
工程师们正在调查导致工厂被烧毁的原因。