adjustable
  (a.)可調整的
  ad·just·able /-ˈʤəstəbəl/ 形容詞
  可調節的
  adjustable
  可調
  Ad·just·a·ble a. Capable of being adjusted.
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  adjustable
       adj 1: capable of being changed so as to match or fit; "adjustable
              seat belts"
       2: capable of being regulated; "adjustable interest rates"