double serrate

 
       
  • (拉duplicatoserratus)有重锯齿的

double serrate的用法和样例:

例句

  1. Leaf blade margin coarsely double dentate to double serrate or lobulate, lobes dentate to serrate; corolla adaxial lip 4-7 mm wide, abaxial lip 7-8 mm, lobes oblong to obovate.
    粗的叶片边缘重牙齿到具小裂片重锯齿的或,对有锯齿具牙齿的裂片;4-7毫米宽的花冠正面唇,背面唇毫米,裂片长圆形到倒卵形。(12
  2. North American deciduous tree (Ulmus americana) having double serrate leaves and winged fruits. It is grown chiefly as an ornamental shade tree but often dies from Dutch elm disease.
    美洲榆:一种北美落叶树(美洲榆),有双齿叶和双翼果,主要作为观赏性浓荫树,但常患荷兰榆树病而坏死
  3. Branches terminating in a bud, but without spine. Leaf blade abaxially white hirsute, adaxially pubescent on veins, base inequilateral, margin conspicuously deeply serrate or double serrate.
    分枝顶生在一芽,但是没有刺的;叶片背面白色具长硬毛的,正面短柔毛在脉上的,不等侧的基部,边缘显深深有锯齿或著重锯齿的。
  4. He is working double tides to finish his essay.
    他日夜苦干,赶写他的文章。
  5. I do not realize it is a double feature.
    我原先不知道这是双片连映。
  6. leaf blade broadly ovate, ovate-elliptic, or oblong, 6-9 X 4-6 cm, base subcordate to rounded, margin coarsely double serrate.
    宽卵形,卵状椭圆形,或长圆形的叶片,4-66-9X厘米,基部近心形到圆形,粗重锯齿的边缘。

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