“grade”概念、定义、翻译-科学时代

单词	grade
释义	林业词汇手册 grade 等级，品等；坡度，倾斜度
随便看	thread thread thread thread thread thread threadbare plot thread contact height thread count thread cutting lathe thread die cutting threaded discussion threaded fitting threaded joint threaded newsreader threaded-roll process threadfin thread-forming property thread gauge thread grinding thread groove width threading threading thread joint threadless binding

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。