blood veins
gold veins
veins of marble
A: Do you have visible veins on your hands?
A：你的手上能看到明显的静脉吗。
B: Yes, the veins are quite prominent.
B：是的，静脉非常明显。
1) 生物体内的静脉
2) 岩石中的矿脉
3) 事物的纹理
1. 静脉
2. 矿脉
noun
1. A blood vessel that carries blood toward the heart.
2. A distinct layer or streak in a rock or mineral.
3. A pattern or streak in something.
Synonym: vessel, streak