up-and-down
导读：up-and-down读音音标
英 [\'ʌpən\'daʊn]美 [\'ʌpən\'daʊn]
up-and-down意思解释
adj.上上下下的；起伏的；来来往往的；变动的 英英释义 up-and-down[ \'ʌpən\'daun ]adv.
英 [\'ʌpən\'daʊn]美 [\'ʌpən\'daʊn]
up-and-down意思解释
adj.上上下下的；起伏的；来来往往的；变动的 英英释义 up-and-down[ \'ʌpən\'daun ]adv.
up-and-down读音音标
英 [\'ʌpən\'daʊn]
美 [\'ʌpən\'daʊn]
up-and-down意思解释
adj.
上上下下的；
起伏的；
来来往往的；
变动的
英英释义
up-and-down[ \'ʌpən\'daun ]
adv.
moving backward and forward along a given course
同义词：up and down
alternately upward and downward
同义词：up and down
双语例句
用作形容词(adj.)All over the ship the bulkheads sweated a film of oil and water.船里上上下下的舱壁到处沾着一层油水。The landscape is made up of low, rolling hills.此地的地貌为低矮起伏的丘陵。She watched the gentle rise and fall of his chest as he slept.她看着他睡着时微微起伏的胸膛。He put up a notice about the change in price.他张贴一则有关价格变动的布告。New words and meanings keep the English language in a state of flux.新的字和新的字义使英语处于不断变动的情况中。
