名词
中文翻译：外部圆锥体
同义词：
['outer cone', 'outer spherical shell']
例句：
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1.The external cone of the planet is a crucial part of its structure.
行星的外部圆锥体是其结构的重要组成部分。
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2.The outer cone of the star is made up of layers of gas and dust.
恒星的外部圆锥体由气体和尘埃层组成。
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3.The outer cone of the spacecraft is designed to protect the crew from radiation.
航天器的外部圆锥体设计用来保护乘员免受辐射伤害。