柯林斯英汉双解大词典
phellem /ˈfɛləm/
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1.
N [botany] → the technical name for cork
双语例句
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Convextype dots had not phellem cell in texture.
突嘴型果点无木栓细胞结构，属初生类型；
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Secondly, there was a little of collenchyma whose texture was tight in smooth type's endothecium of phellem;
另外，光皮型杜仲在栓内层分布有较少的，质地紧密的石细胞群；
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Configuration feature: For lofty deciduous leaf arbor, the bark of grown tree has the phellem layer that develop.
形态特征：为高大的落叶乔木，成年树的树皮有发达的木栓层。
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