midrib
美['mɪdˌrɪb] 英['mɪdrɪb]
n. 中脉；主脉
英英释义
Noun- the vein in the center of a leaf
例句
- The midrib and larger veins in a leaf. 叶脊或大叶脉。
- Extending beyond the apex of a leaf,as a midrib or vein. （叶脉）延伸的伸出叶的顶端的，如中脉或叶脉。
- Cut or lobed to, essentially to the base or to the midrib. 分或裂至叶基或中脉。
- The 1st frond of a young sporophyte has a midrib and is pinnate. 幼孢子体的第一片叶子羽状具中肋。
- Extending beyond the apex of a leaf, as a midrib or vein. （叶脉）延伸的伸出叶的顶端的，如中脉或叶脉
- Of or relating to a midrib that extends throughout the entire length of a leaf. 及顶的属于或关于伸到叶顶的叶子中脉的
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