脉率仪用卷式手指光传感器的英文

roll-on finger-tip

• 脉:    affectionately; am ...
• 率:    rate; ratio; propo ...
• 仪:    appearance; bearin ...
• 用:    40分钟跑完全程 run the c ...
• 卷:    book
• 式:    type; style
• 手指:    finger; dactyl; ma ...
• 光:    light; ray
• 传感器:    sensor; sensing el ...