英语词汇up and down怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	up and down
释义	up and down informal : sometimes good and sometimes bad时好时坏 Her relationship with him is up and down.她与他的关系时好时坏。 They have an up and down relationship.他们的关系时好时坏。 ⇒ Main Entry: ² up
随便看	vole voles Volga Volga River Volgograd volition volitional volley volleyball volleyballs volleyed volleying volleys volt voltage voltages volte-face volte face voltmeter voltmeters volts voluble volubly volume volumes

英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。