nucellus的用法和樣例:
例句
用作名詞 (n.)
- The nucellus is usually degraded and absorbed as the endosperm develops.
珠心通常在胚乳發育時被分解和吸收。 - The region of an ovule that is opposite the micropyle,where the integuments and nucellus are joined.
合點珠孔對面的胚珠內結合珠被和珠心的一個區域。
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