dentate margin

dentate margin 基本解释

（在针叶材射线管胞内）齿状加厚

医学

重点词汇

• marginn. 页边的空白, 边缘, 界限, 余裕, 差数, 差额, 保证金 vt. 加边于, 加旁注于 [计] 页边距
• dentatea. 有齿的, 锯齿状的, 齿状的 [化] 配位基

dentate margin 双语例句

1. 1、 The 2nd modification ( 1964) preserves the dentate margin and anal transitional zone ( acute anal sensation), thus greatly improving defecatory control.
   第一次保留了肛提肌，第二次保留了齿线和肛管移行区（肛管感觉），从而大大提高了排便控制能力；
2. 2、 The variety is different from the typical one by having larger and thicker leaves with crenate or dentate margin, broadly winged petioles, broad-obovate or oblanceolate and serrate bracts, and lilac corollas with longitudinal yellow stripes in the throat.
   该变种与原变种不同在于叶大而厚，边缘具圆齿或牙齿，叶柄具宽翅，苞片宽倒卵形或倒披针形，有锯齿，花冠淡紫色，喉部具黄色纵纹。