名词
中文翻译：火箭体直径
同义词：
['rocket diameter', 'rocket body size例句：1. The rocket was launched from the launch pad with a diameter of 3 meters.（这枚火箭从发射台发射，直径为3米。）']
例句：
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1. The rocket was launched from the launch pad with a diameter of 3 meters.
这枚火箭从发射台发射，直径为3米。
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2.The rocket's engine is responsible for propelling it into space.
火箭的发动机负责将火箭送入太空。
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3.The rocket body diameter is crucial for its performance and efficiency.
火箭体的直径对其性能和效率至关重要。