基本解释木栓层；栓皮层英汉例句双语例句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。phellem layer更多例句专业释义材料科学栓皮层