名词
中文翻译：适当的功能
同义词：
['normal functioning', "proper operation例句：1. The heart's proper functioning is essential for life.（心脏的正常运作对生命至关重要。）"]
例句：
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1. The heart's proper functioning is essential for life.
心脏的正常运作对生命至关重要。
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2. The machine's proper functioning is critical toits efficiency.
机器的适当运作对其效率至关重要。
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3. The software must perform properly functioningin order to operate smoothly.
软件必须以适当的功能运行才能顺畅操作。