venation

英 [viː'neɪʃən] 美 [viː'neɪʃən]

• n. 叶脉的排列；昆虫的翅脉；脉系

英英释义

Noun:

1. (botany) the arrangement of veins in a leaf

2. (zoology) the system of venous blood vessels in an animal

例句

用作名词 (n.)

1. Venation is the distribution of veins in a leaf.
   脉序是叶片中各叶脉的排列分布状态。

词汇搭配

• wing venation 脉序
• dichotomous venation 叉状脉序
• free venation 开放脉序
• campylodromous venation 弧状脉序
• pinnate venation 羽状脉序
• anastomosing venation 闭合脉序
• palmate venation 掌状脉序
• netted venation 网状脉序
• open dichotomous venation 开张二歧叶脉...
• reticulate venation 网状脉序,网状脉...
• parallel venation 平行脉
• open venation 开放脉序
• closed venation 闭锁脉序
• arcuate venation 弧曲脉序