单词	mental arithmetic
释义	mental arithmeticˌmental aˈrithmetic noun [uncountable] Examples EXAMPLES FROM THE CORPUS A quick bit of mental arithmetic was enough to make Chrissy weak at the knees. the act of adding numbers together, multiplying them etc in your mind, without writing them down:  I did a quick bit of mental arithmetic.
随便看	stanchion stand standalone standard standard-bearer standard deviation Standard Grade Standard grade standard-issue standardization standardize standard lamp standard of living Standard Oil Standard, The standard time standby standby time stand-in standing Standing Committee standing order standing room standoff stand-offish

英语词典包含52748条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。