名词
中文翻译：双圆锥体
同义词：
['double cone', 'double-cone', 'double-conical']
例句：
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1. The scientist discovered a newtype of double cone in the desert.
科学家在沙漠中发现了一种新的双锥体。
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2. Thedouble cone is used to make glass lenses.
双锥体用于制造玻璃透镜。
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3. The doublecone was used as a tool for measuringangles.
双锥体用作测量角度的工具。