handiness ['hændɪnəs]

例句:

• I was greatly impressed by the handiness with which she played the piano.
  她弹奏钢琴如此娴熟,给我留下了深刻印象.
  
• Precise design of complete machine, compact conformation, handiness and simplicity.
  整机设计精致, 结构紧凑, 操作方便简洁.
  
• Self - provided large paper roll hoisting equipment and handiness & immediacy.
  自备大纸卷起重设备, 操作方便 快捷.