noun🔗Share氩气 The chemical element (symbol Ar) with an atomic number of 18. The third most abundant gas in the Earth's atmosphere, it is a colourless, odourless, inert noble gas."Many light bulbs are filled with argon to prevent the filament from burning out quickly. "很多灯泡都充有氩气，以防止灯丝过快烧毁。elementchemistrysubstanceChat with AIVocabulary GamePractice Reading
noun🔗Share氩原子 A single atom of this element."The lab technician carefully isolated a single argon atom for the experiment. "实验室技术员小心翼翼地分离出一个氩原子，用于实验。elementchemistrysubstanceChat with AIVocabulary GamePractice Reading
