low sungear

例句：

1. 1. The new car has a low sungear, which makes it easy to drive.
   这款新车的低档装备使得驾驶起来非常轻松。
2. 2. The old house had worn out its low sungear, and needed repairs.
   旧房子的低档装备磨损了，需要修理。
3. 3. The team used low sungear to save time and energy during the race.
   团队使用低档装备在比赛中节省了时间和能量。