U
上上下下； 来回；到处；彻底地
英英释义
网络解释
adv
1. moving backward and forward along a given course
e.g. he walked up and down the locker room
all up and down the Eastern seaboard
2. alternately upward and downward
e.g. he eyed him up and down
1. 上上下下：马克.里维尔(Marc Riviere)的<>(up and down)是一本很有趣的画册. 我在网上查阅了一下,发现中国只有台湾的许佑生提及这本画册:台湾注重身体美学的广告与出版品,目前可能还被视作异类,但是在成熟、自信的文化与社会中,
2. up and down的反义词
2. 起伏：也可能于一天内的下次服药前短期出现,原有症状加重,称为起伏(up and down)现象. (6)多巴胺受体激动剂 可直接刺激纹状体的多巴胺受体并模拟多巴胺的作用,如溴隐亭(bromocriptine)等. 近年来不断有新型多巴胺受体激动剂用于临床.
3. 上上下下;前前后后：up and doing 活泼,敏捷;忙碌 | up and down 上上下下;前前后后 | up in arms 起来进行武装斗争
经典引文
Mrs. Moore is up and down; very liable..to fits of jealousy.
出自：C. S. LewisLooking Terence up and down, he added, 'A little training..would soon give you the physique needed.'
出自：A. WilsonHis health had been up and down since he left the pit in 1959.
出自：Lydney (Glos.) Observer