名词
中文翻译：自由表面
同义词：
['free surface', 'free edge', "free side例句：1. The ship's free overside is exposed to the elements.（这艘船的自由表面暴露在外界环境中。）"]
例句：
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1. The ship's free overside is exposed to the elements.
这艘船的自由表面暴露在外界环境中。
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2.The engineer carefully inspected the free overside of the machine.
工程师仔细检查了机器的自由表面。
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3.The team worked diligently to ensure the free overside was properly sealed.
团队努力工作，确保自由表面被适当密封。