翅脉

例句：

1. 1. The butterfly's wings are covered with delicate veins.
   蝴蝶的翅膀上布满了精致的脉络。
2. 2. The scientist observed the bird's flight patterns and recorded its wing veins.
   科学家观察了这只鸟的飞行模式，并记录了它的翅膀脉络。
3. 3. The artist carefully drew the dragon's wing veins to create a realistic depiction.
   艺术家仔细绘制了龙的翅膀脉络，以创造一个逼真的描绘。