“纪”概念、定义、翻译-科学时代

单词	纪
释义	请查阅纪--周期--阶段
随便看	underplay underplay underplot underplot underpopulation underpopulation under-population underpopulation area underport under pressing underpressure underpriced underpricing underpricing of initial public offering underprivilege underprivileged underprivileged area underprivileged child underprivileged class underprivileged country underprivileged group underprivileged group underprivileged home under probation underproduction

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。