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up-down是什么意思，up-down的翻译，up-down音标、读音、用法和例句_果味酸柯林斯词典
果味酸柯林斯词典

up-down

U 开头单词

基本解释

  • adj.陞降

同根派生

     

英汉例句

    用作形容詞 (adj.)

  • Window cleaners are pulled up and down tall buildings on cradles.
    窗戶清潔工乘坐能陞降的吊籃清洗高層建築物的窗子。
  • The Looper Thread Take-up can make it up and down for threading easy.
    陞降式底線分線磐，使穿線更容易。