“age grade”概念、定义、翻译-科学时代

单词	age grade
释义	民族学词汇手册 age grade 年龄级，同龄级
随便看	underfill system underfinanced underfit underfit river underfloor gun under-floor ventilation underflow underflow underflow underflow underflow underflow underflow basin underflow conduit underflow density current underflow runoff underflow signal underfocus underfoot underframe underframe underfund underfunded pension plan underfunded pension scheme undergauge

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。