precursor tip

短语

词形变化

precursor tips 复数 precursor tips

释义与例句

n.
  1. 1.

    The reduced upper leaf zone found on many monocotyledons that usually takes the form of a cylindrical extension at the apex of the leaf.

    生物 植物学
  2. 2.

    Any thickened or glandular leaf tip that is distinguishable from the rest of the lamina's surface.

    生物 植物学

词源

Calque of German Vorläuferspitze, from Vorläufer (“forerunner, precursor”) + Spitze (“cusp,tip”).

来源：wiktionary