periscope
英
['perɪskəʊp]
美
['perɪskoʊp]
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Noun:
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an optical instrument that provides a view of an otherwise obstructed field
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用作名词 (n.)
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A simple periscope uses mirrors.
简单的潜望镜使用平面镜。
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Three kinds of periscope series are now produced in Thales Optronics.
泰利斯光电子公司目前生产三种系列的潜望镜。
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