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- outer covering of tree trunk 树干的表皮
- The tough outer covering of the woody stems and roots of trees,shrubs,and other woody plants. It includes all tissues outside the vascular cambium. 树皮，茎皮包在树、灌木和其它木本植物的根部、茎部的硬皮，包括维管形成层外的所有组织。
- The tough outer covering of the woody stems and roots of trees, shrubs, and other woody plants.It includes all tissues outside the vascular cambium. 树皮，茎皮包在树、灌木和其它木本植物的根部、茎部的硬皮，包括维管形成层外的所有组织
- The tough outer covering of the woody stems and roots of trees, shrubs, and other woody plants. It includes all tissues outside the vascular cambium. 树皮，茎皮包在树、灌木和其它木本植物的根部、茎部的硬皮，包括维管形成层外的所有组织
- Flay: To strip off the skin or outer covering of. 剥皮剥去皮或表部表层。
- To strip off the skin or outer covering of. 剥皮剥去皮或表部表层
- They built a primitive shelter out of tree trunks. 他们用一些树干建造了一个简陋的棚子。
- The membranous outer covering of an organ or a blood vessel. 外膜器官或血管的膜状外表覆盖物
- The dry outer covering of a fruit, seed, or nut;a husk. 果皮，外皮水果、种子或坚果的干外皮；果皮
- The green outer covering of the bamboo has to be peeled off. 要把毛竹去节、去青、取簧。
- There is only a thin outer covering of rock around the core. 核心的外面只有一层由岩石构成的薄薄的外壳。
- The dry outer covering of a fruit, seed, or nut; a husk. 果皮,外皮:水果、种子或坚果的干外皮;果皮。
- He hewed a canoe out of a tree trunk. 他把一根树干凿成独木舟。
- The tissue forming the outer covering of a fur-bearing animal. 构成皮毛动物外表的组织。
- Land having a cover of trees and shrubs. 林地有树和灌木作覆盖物的土地
- The outer covering of protein surrounding the nucleic acid of a virus. 包裹病毒核酸的蛋白质外壳。
- Everyone knows that the outer cover of pineapples feel prickly. 众所周知，菠萝的外皮摸上去有点扎手。
- He engraved the tree trunk with his name. 他把自己的名字刻在树干上。
- The storm has split the branch off from the main tree trunk. 暴风雨把树枝从树干上刮了下来。
- A loose, membranous outer covering of a bulb or corm, as of the onion, tulip, or crocus. 皮膜球茎或鳞茎，如洋葱、郁金香或番红花的球茎的一种松散的、薄膜状的外皮
