“lowerclass student”概念、定义、翻译-科学时代

单词	lowerclass student
释义	教育学词汇手册 lowerclass student 下层阶级学生；（大、中学）低年级学生
随便看	ultimogeniture ultimum supplicium ultisol Ultisol ultisol ultra-abyssal ultra-abyssal bottom ultra-abyssal fauna ultra-abyssal fauna ultra-abyssal zone ultra-abyssal zone ultra agency ultra-anti-trade-biased growth ultra-audible ultra-audible frequency ultrabasic ultrabasic rock ultrabasic rock ultrabornological space ultracat cracking ultracentrifugation ultracentrifugation method ultracentrifuge ultracentrifuge ultracentrifuge

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。