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up-and-down是什么意思_up-and-down怎么读_up-and-down的用法

发布人:网络 发布时间:2025-09-27

up-and-down

音标['ʌpən'daun] up-and-down是什么意思、up-and-down怎么读

up-and-down汉语翻译

a. 一上一下的, 时起时伏的

up-and-down英语解释

副词 up-and-down:

  1. moving backward and forward along a given course同义词:up and down
  2. alternately upward and downward同义词:up and down