liquid crystal wedge

例句：

1. 1.The liquid crystal wedge is used to align the molecules in the material.
   液晶楔形物用于使材料中的分子排列整齐。
2. 2. The wedge-shaped object is a useful tool for cutting and shaping wood.
   楔形物体是一个有用的工具，用于切割和加工木材。
3. 3. The wedge-shaped design of the car helps it maneuver through tight spaces.
   汽车的楔形设计有助于它通过狭窄的空间。