Waxes form protective coverings to leaves, stems, fruits, seeds, animal fur, and the cuticles of insects, serving principally as waterproofing.

  • 蜡构成了植物叶片、茎秆、果实、种子、动物皮毛和昆虫外壳表面的保护层,主要起防水作用。
目录 查词历史