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单词 sexine
释义

Definition of sexine in English:

sexine

noun ˈnɛksɪnˈnɛksiːnˈnɛksʌɪn
Botany
  • In the wall of a pollen grain or spore: the outer layer of the exine, which has a distinctively sculptured surface.

Origin

1940s. From s- + exine. Compare nexine.

Definition of sexine in US English:

sexine

noun
Botany
  • In the wall of a pollen grain or spore: the outer layer of the exine, which has a distinctively sculptured surface.

Origin

1940s. From s- + exine. Compare nexine.

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更新时间:2025/1/31 7:30:26