英语词汇“mental arithmetic”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	mental arithmetic
释义	mental arithmeticˌmental aˈrithmetic noun [uncountable] the act of adding numbers together, multiplying them, etc. in your mind, without writing them down
随便看	unselfishly unselfishness Unser, Al Unser, Bobby unsettle unsettled unsettling unshakable unshaven unsightliness unsightly unsigned unskilled unsmiling unsociable unsold unsolicited unsolved unsophisticated unsound unsparing unspeakable unspeakably unspecified unspoiled

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