testa

听听怎么读
英 ['testə]
美 ['testə]
是什么意思
  • n.

    外种皮,(棘皮动物等的)甲壳,(介壳虫等的)介壳;

  • 变形

    复数:testae

    英英释义

    testa[ 'testə ]

    • n.protective outer layer of seeds of flowering plants

      同义词:epispermseed coat

    学习怎么用

    双语例句

    用作名词(n.)
    1. There is a very small hole in the testa of a seed.
      种子的种皮上有一个非常小的洞。

    权威例句

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