What everyone else thinks it means: the veiny system that anchors a tree or other plant into the ground.

别人认为它的意思是：将树或是其他植物固定在地面的纹理系统。

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The rest of the world is reduced to a disparate series of veiny streaks.

CNN: Mapping out a new world order

Undercooking presents a different set of challenges, keeping the Brussels sprout's flavors concentrated inside its veiny leaves and thick root.

NPR: Turning a New Leaf on a Misunderstood Sprout