名词
中文翻译：氩
同义词：
['argon', 'argonium例句：1. The arc welding process is used to join metal parts together.（弧焊过程用于将金属部件连接在一起。）2. The arc lamp provides a warm glow in the winter.（弧光灯在冬天提供温暖的光线。）']
例句：
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1. The arc welding process is used to join metal parts together.
弧焊过程用于将金属部件连接在一起。
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2. The arc lamp provides a warm glow in the winter.
弧光灯在冬天提供温暖的光线。
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3. The arc of the rainbow appears when sunlight passes through water droplets.
彩虹的弧形出现在阳光通过水滴时。