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管理离线字典
up and down
英汉字典
英英字典
解释
来回;
上下;
到处;
沿着…来回;
同义
up and down
词性
r
解释
moving backward and forward along a given course
示例
he walked up and down the locker room|all up and down the Eastern seaboard
同义
up and down
词性
r
解释
alternately upward and downward
示例
he eyed him up and down