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单词 embryo
释义
em·bry·o (ĕmbrē-ō)
n. pl. em·bry·os
1.
a. The collection of cells that has developed from the fertilized egg of a vertebrate animal, before all the major organs have developed.
b. A collection of such cells of a human, especially from implantation in the uterine wall through the eighth week of development.
2. Botany The young sporophytic plant contained within a seed or an archegonium.
3. An organism at any time before full development, birth, or hatching.
4. A rudimentary or beginning stage: an idea that was the embryo of a short story.

[Medieval Latin embryō, from Greek embruon : en-, in; see EN-2 + bruein, to be full to bursting.]
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更新时间:2025/2/23 5:16:11