adjustable resistor

例句：

1. 1. The adjustable straps make it easy to wear the shoes.
   可调节的带子使得穿鞋变得容易。
2. 2. The adjustable thermostat can be set to any temperature you prefer.
   可调节的温度计可以设置到你偏好的任何温度。
3. 3. The adjustable desk chair allows for a comfortable work posture.
   可调节的办公椅允许舒适的坐姿。