“perisperm”的概念、定义、翻译、参考文献-科学参考

单词	perisperm
释义	perisperm [`per·ǝ´spǝrm] ^BOTANY In a seed, the nutritive tissue that is derived from the nucellus and deposited on the outside of the embryo sac.
随便看	snapback method snap fastener snap flask snap gage snap hook snap-off diode snap-on ammeter snapper snapping finger snap ring snapshot snapshot dump snapshot program snatch block sechard seclusion secobarbital secodont secohm second secondary secondary air secondary alcohol secondary allocation secondary amine

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。