- 基本释义
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n.
- 1. 干线,主道,主街
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- Next to or facing the main stem or axis.
近茎轴一侧的紧挨着主茎或轴的，面向主茎或轴的 - A lateral shoot from the main stem of a plant.
分枝植株的主茎上长出的侧枝 - The main stem of a blood vessel or nerve apart from the branches.
除分支外的大血管或大神经 - A secondary woody stem or limb growing from the trunk or main stem of a tree or shrub or from another secondary limb.
分枝从树或灌木的主干或另一次级树枝上生长出来的次级树枝 - The main stem or central part about which organs or plant parts such as branches are arranged.
茎轴象枝条这样的器官或植物的基本构成体被排列于其上的主茎或中心部分