outer bark
英 [ˈaʊtə(r) bɑːk]
美 [ˈaʊtər bɑːrk]
外（树）皮
双语例句
- When one removes the outer bark, he reaches the layer with the nourishing sap inside.
除掉外皮就会达到里面有一营养树汁的那一层； - ( botany) outer tissue of bark; a protective layer of dead cells.
（植物学）树皮组织外部的；由死细胞组成的保护层。 - The nutrient content of inner bark were lower than that of outer bark.
外树皮的营养元素含量均低于内树皮的测定值。 - Cork is the outer bark of trees such as Quercus variabilis B., it is a kind of natural macromolecule material, with the property of abrasion proofing, waterproofing, anti-aging, good elasticity, low density, heat insulation, sound absorbing, aseismatic.
软木是栓皮栎等树种的树皮，具有耐磨、耐水、抗老化、弹性好、密度低、隔热、吸音、抗震等优良特性。