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 arithmetic From Longman Dictionary of Contemporary Englishmental arithmeticˌmental aˈrithmetic noun [uncountable] HMNthe act of adding numbers together, multiplying them etc in your mind, without writing them down I did a quick bit of mental arithmetic.Examples from the Corpusmental arithmetic• A quick bit of mental arithmetic was enough to make Chrissy weak at the knees.
随便看	is not long for this world is not much fun is not rocket science is not short of is not shy about is not shy about doing is not to be missed is not too swift is nothing sacred is nothing sacred? is of the essence is old enough to be her father is old enough to be her mother is old enough to be his father is old enough to be his mother is old enough to be your father is old enough to be your mother is old enough to know better is on another planet planet is on is on another what planet is on is only human is only skin deep is only to be expected is said to be is said to be do

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