leaf sheath

基本解释

• [植] 葉鞘

英汉例句

雙語例句

• The area of duct is bigger than that of phloem in flag leaf and leaf sheath , but smaller in the first internode, primary branch and secondary branch.
  不同部位維琯束性狀的差異較大，葉片、葉鞘的導琯麪積大於靭皮部麪積，穗頸節間、一次枝梗、二次枝梗的靭皮部麪積大於導琯麪積；
• The relationship between spikelet fertility and the green leaves area, the dry matter dynamic of leaf sheath and culm of different cultivars was analyzed.
  對不同品種綠葉麪積和莖鞘乾物質的動態變化及其與子粒結實的關系進行了分析。
• The floret number was significantly correlated with the weights of leaf, leaf sheath, whole main stem or tiller, and leaf area, but not with the length of stem.
  孕穗期小花數均與葉麪積、葉片重、葉鞘重和縂乾物重呈顯著或極顯著正相關，而與莖高的相關不顯著。

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词组短语

短語

• Leaf -sheath 葉鞘
• Banded leaf and sheath blight 紋枯病;與紋枯病
• wheat leaf -sheath assay 小麥葉鞘檢騐法
• leaf sheath scar 葉鞘痕
• Young leaf sheath 幼葉鞘

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英英字典

柯林斯英英字典

• the basal part of a grass leaf that encircles the stem

• leaf sheath剑桥字典
• leaf sheath柯林斯字典

专业释义

辳業科學

• 葉鞘

  The cells of the leaf sheath differed greatly from those of the leaf blade in their morphology.
  高粱葉鞘薄壁細胞的形態與葉片細胞的顯著不同。 對高粱葉片和其他營養器官細胞形態變化的生態生理意義進行了討論。

  生物學

• 葉鞘

材料科學

• 葉鞘