这些螺旋状的脉管是香蕉植物茎的一部分。

These spiral vessels are part of a banana plant stem.

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脉管开始搏动，大脑开始重新思想；

When the pulse begins to throb, the brain to think again.

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它们也无法打印出更加复杂的结构比如血管和脉管。

They also cannot print more delicate structures like blood vessels, or vasculature.

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它们也无法打印出更加复杂的结构比如血管和脉管。

They also cannot print more delicate structures like blood vessels, or vasculature.

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