“不饱和聚酯”概念、定义、翻译-科学时代

单词	不饱和聚酯
释义	纺织词汇手册不饱和聚酯 UP (unsaturated polyester)
随便看	speciation specie specie specie specie point species species species species species species species species species abundance species adaption species code species coexistence species composition species-consciousness species conversion species distribution area species diversity species diversity species diversity species-essence

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。