英语词汇“sulfur ball”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sulfur ball
释义	sulfur ball sulfur ball [′səl·fər ‚bȯl] (geology) A bubble of hot volcanic gas encased in a sulfurous mud skin that solidified on contact with air.
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