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单词 seed coat
释义

Definition of seed coat in English:

seed coat

noun
Botany
  • The protective outer coat of a seed.

    〔植〕种皮

    Example sentencesExamples
    • Wheat grains consist of the seed coat, or testa, which surrounds the endosperm and embryo.
    • In this example the dorsal side of the seed coat is slightly wrinkled.
    • Endosperm refers to the rest of the seed, i.e. the seed coat, pericarp, aleurone layer, and starchy endosperm.
    • Tobacco seed consist of a seed coat, endosperm, and embryo.
    • At maturity, the seed coat is primarily a protective structure, although its specific role may be varied and complex.

Definition of seed coat in US English:

seed coat

noun
Botany
  • The protective outer coat of a seed.

    〔植〕种皮

    Example sentencesExamples
    • In this example the dorsal side of the seed coat is slightly wrinkled.
    • Endosperm refers to the rest of the seed, i.e. the seed coat, pericarp, aleurone layer, and starchy endosperm.
    • At maturity, the seed coat is primarily a protective structure, although its specific role may be varied and complex.
    • Tobacco seed consist of a seed coat, endosperm, and embryo.
    • Wheat grains consist of the seed coat, or testa, which surrounds the endosperm and embryo.
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更新时间:2025/7/5 19:55:46