名词
中文翻译：树皮
同义词：
['bark', 'outer bark', 'sapwood']
例句：
-
1.The tree's scaly bark is rough and tough to the touch.
这棵树的粗糙外层保护组织摸起来很粗糙。
-
2. The scientist studied the scaly bark of the tree to understand its growth patterns.
这位科学家研究了这棵树的粗糙外层保护组织，以了解其生长模式。
-
3. The bark was stripped off by the weathering process, revealing the inner wood beneath.
由于风化过程，树皮被剥落，露出了下面的内层木材。