| 释义 |
cell development seldiˈveləpmənt 短语¹⁸⁰⁰⁹⁸⁺¹
基本例句
细胞发育
A sperm cell develops from a sperm mother cell.精细胞从精母细胞发育而成。
After it reaches its maturity,the whole volume of the oil cell is filled with the large vacuole,which becomes the oil sac subsequently.当油细胞发育成熟后，细胞质及核开始解体，整个油细胞的腔由大液泡充满，成为油囊。 |