pinn.别针（大头针）；徽章；<口>脚v.钉住；别住；固定住abbr.个人识别码（=Personal Identification Number）,<印>邮编（=Postal Index Number）Pincin平钦

1. Venation is a character sometimes used in taxonomy.
   分类学中常将脉序作为一个分类标志。
2. This species is easily distinguished by its quite special venation.
   本种容易通过它的十分特别的脉序来区分。