英语词汇“permanent tooth”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	permanent tooth
释义	permanent tooth in American English any of the set of 32 adult human teeth that replace the milk teeth, including 4 cuspids, 8 bicuspids, 8 incisors, and 12 molars permanent tooth in American English noun any of the 32 adult teeth that replace the 20 milk teeth Word origin [1830–40]This word is first recorded in the period 1830–40. Other words that entered Englishat around the same time include: format, isomerism, isometric, stroboscope, walkover Examples of 'permanent tooth' in a sentence permanent tooth Currently 46% of eight-year-olds have decay in their milk teeth, and the same number of 15-yearolds have decay in their permanent teeth. Times, Sunday Times (2015) It may be that they play a role in the growth of the permanent teeth that replace them. Globe and Mail (2003) Some 46 per cent of eight-year-olds have decay in their milk teeth and the same proportion of 15-year-olds have decay in their permanent teeth. Times, Sunday Times (2015) A permanent tooth's a different matter. The Sun (2009)
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permanent tooth in American English