nucellus

导读:nucellus读音音标
英 [nu:\'seləs]美 [nu\'seləs]
nucellus意思解释
n.珠心; 变形 复数:nucelli 英英释义 nucellus[ nju:\'seləs, \'nju:seləs ]n.central part of a pla

nucellus读音音标

英 [nu:\'seləs]

美 [nu\'seləs]

nucellus意思解释

n.

珠心;

变形

复数:nucelli

英英释义

nucellus

[ nju:\'seləs, \'nju:seləs ]

n.

central part of a plant ovule; contains the embryo sac

双语例句

用作名词(n.)The nucellus is usually degraded and absorbed as the endosperm develops.珠心通常在胚乳发育时被分解和吸收。The region of an ovule that is opposite the micropyle,where the integuments and nucellus are joined.合点珠孔对面的胚珠内结合珠被和珠心的一个区域。

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nucelli
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