keyless ['ki:lɪs]

例句:

• The structure and working principle of a keyless connection bush is introduced.
  介绍了一种无键联结衬套结构及工作原理.
  
• Other niceties are a reversing safety camera, an engine start button and keyless entry.
  其他细节是扭转安全摄像头, 发动机启动按钮和无钥匙进入.
  
• Keyless entry, privacy glass, and 16 - inch alloys are among the standard upgrades over the base Soul.
  无钥匙进入, 隐私玻璃, 16英寸合金属于标准升级的基础灵魂.
  
• Besides keyless entry, it can also check the space between parked cars to tell drivers if the car will fit.
  来自VOA