If a plant requires lots of water all the time, it could favor certain geometrical arrangements of veins, which starts to suggest overall leaf shapes.

如果植物需要不停地吸收水分，这有利于特定叶脉的几何分布，最终塑造树叶形状。

youdao

Your cold blood cannot be worked into a fever: your veins are full of ice-water; but mine are boiling, and the sight of such chillness makes them dance.

可是我的血在烧滚了。看见你这副冷冰冰的，不近人情的模样，我的血液都沸腾啦。

youdao

Blood is thicker than water. Our veins are bounded.

血浓于水，血脉相连。

youdao

The trouble is that there isn't enough ice water to fill the veins of all the fresh, young hedgies.

FORBES: Clipped Hedges

Asana, daughter of Ya Namina, my grandfather's senior wife: a magnificent hauteur flowed like river water from the mother's veins through the daughter's.

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"On Earth, usually, these veins are formed by water circulation in fractures, and this usually occurs in low to moderate temperatures, " said ChemCam team member Nicolas Mangold of the Laboratoire de Planetologie et Geodynamique de Nantes, France.

BBC: Curiosity Mars rover eyes rock drill site