top shell

例句：

1. 1.The top shell of the car is made from a lightweight material.
   汽车的顶部外壳是由轻质材料制成的。
2. 2. The top shell was designed to protect the interior from dust and debris.
   顶部外壳设计用来保护内部免受灰尘和碎屑的侵害。
3. 3. The top shell of the laptop is removable, allowing for easy cleaning.
   笔记本电脑的顶部外壳是可以拆卸的，便于清洁。