bifacial leaf

例句：

1. 1. This bifacial leaf is unique in its ability to grow both on the north and south sides of atree.
   这种双面叶在树木的北南两侧都能生长。
2. 2. The bifacial leaf has been used for centuries as a traditional medicine.
   这种双面叶作为一种传统药物已经被使用了好几个世纪。
3. 3. The bifacial leaf is often found growing on the forest floor, providing habitat for many small animals.
   这种双面叶经常生长在森林地面上，为许多小型动物提供了栖息地。