“perennial”的概念、定义、翻译、参考文献-科学参考

单词	perennial
释义	perennial [pǝ`ren·ē·ǝl] ^BOTANY A plant that lives for an indefinite period, dying back seasonally and producing new growth from a perennating part.
随便看	Rankine vortex ranking method rankinite rank of an observation rank-order statistics rank tests Ranney oil-mining system Ranney well Ranque effect RANS analysis ransomite ranula Ranunculaceae Ranunculales raob Raoult's law rapakivi rapakivi texture rape rape oil rape-seed oil raphania raphe Raphidae raphide

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。