主茎

mother stem的用法和样例:

例句

  1. The main stem and fruiting branches of determinant types remain relatively short.有限生长类型的主茎和果枝仍然较短。
  2. Subsequent growth of some of the axillaries results in first-order branching of the main stem.一些腋芽继续生长形成主茎的第一级分枝。

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