名词
中文翻译：中性的氦气
同义词：
['neutral gas', 'helium例句：1. Helium is a noble gas that is used in the production of MRI scans.（氦气是一种稀有气体，用于制造MRI扫描仪。）']
例句：
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1. Helium is a noble gas that is used in the production of MRI scans.
氦气是一种稀有气体，用于制造MRI扫描仪。
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2.The helium-filled balloon floated up to the ceiling.
充满氦气的气球飘到了天花板上。
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3. Helium is lighter than air and can be used as a refrigerant.
氦气比空气轻，可以用作制冷剂。