英语词汇“safety bell”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	safety bell
释义	Definition of safety bell in English: safety bell noun A bell used to draw attention to danger or distress. Origin Early 19th century; earliest use found in John Thomas James (1786–1828), bishop of Calcutta and writer on art. Definition of safety bell in US English: safety bell noun A bell used to draw attention to danger or distress. Origin Early 19th century; earliest use found in John Thomas James (1786–1828), bishop of Calcutta and writer on art.
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Definition of safety bell in English: