up and down
up and down
phrase. 上上下下；到处；前前后后；来来往往
What you do is squat up and down really fast. 你 所要做的就是真正快速地上下蹲坐。
“ Cortisol and adrenaline go up and down, ” he said. “皮质醇和肾上腺素升高和降低，”他说。
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- phrase. 上上下下；到处；前前后后；来来往往
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1. What you do is squat up and down really fast.
你 所要做的就是真正快速地上下蹲坐。
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2. “ Cortisol and adrenaline go up and down, ” he said.
“皮质醇和肾上腺素升高和降低，”他说。
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3. He looked the applicant up and down.
他上上下下地打量那个求职者。
ˌup and ˈdown1moving upwards and downwards起伏；上下波动The boat bobbed up and down on the water.小船在水面颠簸。2in one direction and then in the opposite direction来回；往复She was pacing up and down in front of her desk.她在办公桌前踱来踱去。3sometimes good and sometimes bad时好时坏My relationship with him was up and down.我跟他的关系忽冷忽热。4(NAmE ) (informal )if you swearup and down that sth is true, you say that it is definitely true绝对地；肯定地；完全地See up
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