平线脚

例句：

1. 1. The pattern on the dress is very distinctive, with a prominent "flat-bottomed" design.
   这件连衣裙上的图案非常独特，有一个显眼的“平底”设计。
2. 2. The book has a lot of illustrations, each with its own unique "flat-topped" character.
   这本书有很多插图，每个都有自己独特的“平顶”特征。
3. 3. The designer wanted to create a modern yet elegant look for the shoes, using a "flat-bottomed" and "flat-topped" approach.
   设计师想要为鞋子创造一种现代而优雅的感觉，采用了“平底”和“平顶”的方法。