xylem

意思翻译 n.[植]木质部 相似词语短语 双语使用场景 Secondary xylem consists of pitted vessels, parenchyma fibers and rays.───次生木质部由孔纹导管、 薄壁组织及射线所组成。 xylem of ferns and conifers contains only tracheids.───蕨类植物和针叶树的木质部仅含有管胞。 Tree rings are made of tissue called xylem ...