up and down/_up and down/的解释_up and down/的意思_up and down/的翻译_up and down/的发音_up and down/怎么念_up and down/的例句_酷词

基本词义
单词例句

up and down

adv.上下地,到处,前前后后,来来往往

难易程度:

up and down为短语/超纲词汇

近义词, 同义词

to and fro up and down backwards and forwards back and forth up and down seesaw zigzag in and out from side to sideto and fro up and down backwards and forwards back and forth up and down seesaw zigzag in and out from side to side

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