up and

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upandupandupand上上下下或者来来回回EX1:Hewatchedmeupanddown.他上上下下地看我EX2:Heiswalkingupanddown.他来来回回地走.up-and-do

up and
up and

up and
上上下下或者来来回回
EX1:He watched me up and down.他上上下下地看我
EX2:He is walking up and down.他来来回回地走.

up-and-down: [ 'ʌpən'daʊn ]
a. 上上下下的, 起伏的, 来来往往的, 变动的

up and down
上上下下

上上下下，可以引申为人生或者事业等

[ 'ʌpən'daʊn ]
上上下下或是来来回回，看看在你的句子中哪个解释更正确！

上上下下

up and up and up and and up and up it grows翻译 WALK UP AND travel up and go up and up and down翻译请问：walk up and up and down? up and down 翻译 up and running jump up and down up-and-coming jumped up and down hair and make up up and down什么意思 up and down翻译汉语?