茎：植物体着生叶、芽和繁殖器官的纵向轴状结构。

Stem a longitudinal axis upon which are borne the leaves, buds, and reproductive organs of the plant.

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茎：植物体着生叶、芽和繁殖器官的纵向轴状结构。

Stem a longitudinal axis upon which are borne the leaves, buds, and reproductive organs of the plant.

youdao