英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:


请选择你想看的字典辞典:
单词字典翻译
petioles查看 petioles 在百度字典中的解释百度英翻中〔查看〕
petioles查看 petioles 在Google字典中的解释Google英翻中〔查看〕
petioles查看 petioles 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Petiole (botany) - Wikipedia
    In botany, the petiole ( ˈpiːti oʊl, ˈpɛti - ), commonly known as the leaf stem or leaf stalk, is the stalk that attaches the leaf to the twigs, branches or stems of a plant The terms petiolate and apetiolate are applied, respectively, to leaves with and without petioles
  • Petiole - Definition and Function | Biology Dictionary
    The petiole is the stalk that supports a leaf in a plant and attaches it to the stem Many people often call it a stem, which is incorrect A stem is the part of the plant that serves as the main source of support and produces nodes and roots, and that’s not what we observe in petioles
  • Petiole, Petiolule
    Not all leaves have petioles though, and how a leaf attaches to a stem varies by species Likewise, not all leaflets have petiolules and their attachment also varies by species
  • PETIOLE Definition Meaning - Merriam-Webster
    The meaning of PETIOLE is a slender stem that supports the blade of a foliage leaf
  • What Is the Petiole? Structure and Function Explained
    The petiole is a stalk-like structure connecting the leaf blade (lamina) and the main stem of a plant This component is fundamental to the plant’s architecture, holding the photosynthetic machinery away from the stem
  • What Are Petioles In Plants - ezgardentips. com
    The petiole is the stalk that connects a leaf to a plant’s stem, often confused with a stem, which serves as the plant’s primary support structure and produces nodes and roots The petiole allows leaves to maintain optimal sunlight exposure by twisting towards the sun in some species
  • Understanding Plants: Stems, Petioles, And Their Absence
    In botany, the petiole is the stalk that attaches the leaf blade to the stem It allows the leaf to twist to face the sun, optimising its exposure to sunlight and creating a characteristic foliage arrangement The petiole is also able to support the weight of the leaf
  • What are petioles and why are they important?
    Petioles are the slender stalks that connect a plant's leaf blade to the stem They play a crucial role in a plant's anatomy and overall health, serving as a conduit between the leaf and the stem
  • Petiole | plant anatomy | Britannica
    In angiosperms leaves commonly have a pair of structures known as stipules, which are located on each side of the leaf base and may resemble scales, spines, glands, or leaflike structures Leaves are, however, quite diverse in size, shape, and various other characteristics, including…





中文字典-英文字典  2005-2009