tanbark

• 指富含单宁的树皮，经粉碎或切块后用于鞣制皮革；也指用过的这种树皮，可用作园艺覆盖物。

A noun referring to bark that is rich in tannin, which is bruised and cut into pieces for use in tanning leather; also refers to the spent bark used as a ground covering.

不可数

1. Bark used for tanningC1formal

   The bark of certain trees, especially oak, that is rich in tannin and used in the process of tanning animal hides into leather.

   鞣皮树皮

   • The tannery sourced high-quality tanbark from local oak forests.
   • Workers crushed the tanbark to extract the tannins for leather production.
   • Historically, tanbark was a crucial material for the leather industry.

2. Ground coveringC1formal

   Spent or used tanbark, often used as a mulch or surface material for paths, playgrounds, or gardens.

   鞣树皮覆盖物

   • The garden path was covered with a layer of tanbark to prevent weeds.
   • Children played safely on the soft tanbark surface of the playground.
   • The landscaper recommended tanbark for the flower beds to retain moisture.