kapok

• 指从木棉树（吉贝）种荚中获取的丝状植物纤维，用于填充枕头、救生衣和隔音隔热材料；也指木棉树本身。

A noun referring to a silky plant fiber obtained from the seed pods of the kapok tree, used for stuffing pillows, life jackets, and insulation, or to the tree itself.

不可数

1. Plant fiberB2formal

   A soft, silky, and water-resistant fiber obtained from the seed pods of the kapok tree, used for stuffing pillows, life jackets, and insulation.

   植物纤维

   • The life jacket was filled with kapok for buoyancy.
   • Kapok is a natural alternative to synthetic stuffing materials.
   • They used kapok to insulate the walls of the cabin.

   同义词ceibasilk cotton

2. Kapok treeB2formal

   A large tropical tree with a massive trunk and deep ridges, bearing large pods filled with silky floss.

   吉贝

   • The kapok tree can grow to over 60 meters in height.
   • Its trunk is covered in deep ridges and large spines.
   • The pods of the kapok tree burst open to release the fluffy fiber.

   同义词ceibasilk-cotton tree