yew tree短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 🌏紫杉;紫杉树;红豆杉树 The outer surface of yew tree leaf is covered by a thick cuticle and epicuticular in the top. The surface view of epidermal cells appears square or rectangular on the abaxial and adaxial leaf sides. 红豆杉叶片外表面覆盖较厚的角质层和表面蜡质,具有乳头状角质钉,以及长条形或顶端分叉的角质突起。 biomuseum.sysu.edu.cn