up and down?

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up and down?
up and down?

up and down?
上和下

left and right

简单理解就是上下，起落。
一般可以指生活中的起伏：The ups and downs in life （人生中的跌宕起伏）

他俩怎么了？互为反义词！

上下来回

“上下” 的意思。如：He looked at her up and down .他上下打量着她。

上上下下，忐忑

up and down翻译 up and down? up and down 翻译 jump up and down jumped up and down up and down什么意思 up and down翻译汉语? 是ups and downs还是up and down还是up and downs还是ups and down up and down是什么词性的词组 what goes up and never goes down? We go up and down the building___elevator travel up and down 翻译成中文. 用look up and down造句. jump up and down的意思 he goes up and down翻译用up and down 造句如题 UP AND DOWN用中文怎么说 she must look up and down first