touchless
adjective uk/ˈtʌtʃ.ləs/ us/ˈtʌtʃ.ləs/
非接触式的（比如采用运动感应控制、声控等）
controlled by movement or sound, rather than by a keyboard, button or other device that you need to touch
They introduced touchless water taps and flushes. 他们推出了非接触式水龙头和冲水器。
These cameras are gesture-controlled or "touchless". 这些照相机是由手势控制的，或者说是 "非接触式"的。
（只用水的）非接触式的
using a process where one object does not touch another, or where something is touched only by water
The touchless car wash uses water jets and detergent, but no brushes, minimizing damage to the vehicle. 非接触式洗车机使用喷水器和洗涤剂，但不使用刷子，以减少对车辆的损害。
- More examples
- The user can steer the cursor by "touchless pointing" (especially useful when you're following an online recipe and your hands are coated in cookie dough).
- The cards have a microprocessor capable of receiving and transmitting radio waves, which allows the cards to be "touchless" - no magnetic stripes that must be swiped through a machine.
- The most common finger scanning technologies are: Optical, Silicon, Ultrasound and Touchless.
- They introduced the nation's first interstate, touchless mass transit ticketing system.
- There are touchless digital toilets from Japan that require no toilet paper - they wash and dry you automatically.