bark slip

例句：

1. 1. The tree's bark was slipping off in largechunks.
   这棵树的树皮大块大块地脱落。
2. 2. The old oak tree hadsuffered from bark stripping for years.
   这棵老橡树多年来一直遭受树皮剥落的困扰。
3. 3. The barkslip caused the tree tolose its leaves prematurely.
   树皮脱落导致树木提前落叶。