“copal”的概念、定义、翻译、参考文献-科学参考

单词	copal
释义	copal [`kō·pǝl] ^MATERIALS Hard, resinous substance exuded from certain trees in the East Indies, South America, and Africa and used in varnish and printing ink.
随便看	pylorospasm pylorus pyobacillosis pyocyanin pyoderma pyogenesis pyonephritis pyonephrosis pyorrhea pyracetic acid Pyralidae Pyralididae Pyralidinae Pyralidoidea pyramid pyramidal area pyramidal cleavage pyramidal horn pyramidal iceberg pyramidal molecule pyramidal numbers pyramidal surface pyramidal system Pyramidellidae pyramid of numbers

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。