1. In botany, abaxial refers to the surface of a leaf that faces away from the stem.

在植物学中，abaxial指的是叶片背面远离茎的一面。

2. The abaxial side of a seashell often has a rough texture compared to the smooth and shiny adaxial side.

与光滑亮丽的轴面相比，海贝的背面往往具有粗糙的质感。