interior thickness

例句：

1. 1.The car's interior was surprisingly spacious.
   这辆车的内部空间出乎意料地宽敞。
2. 2. Thewalls were made of thick, sturdy wood.
   墙壁是用厚实的木头做的。
3. 3. The newmodel has a much thinner exterior comparedto its predecessor.
   新款模型与前代相比，外观更加轻薄。