| 释义 |
nucellus
英音 [ njuːˈseləs ]
美音 [ ˈnjʊseləs ]
释义
n. [植] 珠心
变形
nucelli
复数
例句
1·The integument grew fast and overgrew the nucellus .
珠被生长较快，并逐渐包围珠心。
2·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。
3·The female archesporium differentiates from the single cell under the epidermis of nucellus .
雌性孢原处于珠心表皮之下，为单细胞。
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