thick tree trunk 粗壮的树干
hollow tree trunk 空心树干
tree trunk diameter 树干直径
1. The massive tree trunk was covered in moss.
那棵巨大的树干上覆盖着苔藓。
2. We rested against the wide tree trunk.
我们靠着宽大的树干休息。
3. An owl lives in the hollow tree trunk.
一只猫头鹰住在空心的树干里。
A: Look at that huge tree trunk!
A：看那根巨大的树干！
B: It is covered in thick bark.
B：它的树皮很厚。
1) 树干
2) 树木的主干
1. 树干
e.g.The tree trunk is very old.
这棵树的树干非常古老。
noun phrase
1. the main woody stem of a tree