单词	longs and shorts
释义	longs and shorts 诗
随便看	difference of tide difference of time difference of two squares difference operator difference-operator table difference, phase difference phase angle difference potential difference potentiometer difference preference difference pressure flow meter difference-product difference product difference pulse difference quantity difference quotient difference quotients difference register difference report difference resonance difference ring differences differences among means differences between means difference scale 单忧极瘁单文孤证单枪匹马单枪独马单见浅闻单鹄寡凫卖卖1 卖2 卖3 瞭瞭瞭哨瞭望瞭高儿瞰瞳瞳人瞳仁瞳仁儿