noun 下载 🔗分享 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. Examples : "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。 element chemistry substance 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 氩原子 A single atom of this element. Examples : "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。 element chemistry substance 与AI对话词汇游戏阅读练习