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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_零六五六深蓝词典
零六五六深蓝词典

up-down

U 开头单词

基本解释

  • adj.升降

同根派生

     

英汉例句

    用作形容词 (adj.)

  • Window cleaners are pulled up and down tall buildings on cradles.
    窗户清洁工乘坐能升降的吊篮清洗高层建筑物的窗子。
  • The Looper Thread Take-up can make it up and down for threading easy.
    升降式底线分线盘，使穿线更容易。