“headwater region”概念、定义、翻译-科学时代

单词	headwater region
释义	海洋与水文词汇手册 headwater region 上游区，源头区
随便看	mercury mercury Mercury Mercury Mercury Mercury mercury arc mercury arc mercury arc converter mercury-arc lamp mercury arc valve mercury barometer mercury barometer mercury blende mercury-cadmium selenide mercury-cadmium telluride mercury-cadmium telluride detector mercury cell mercury cell mercury-cesium vacuum-uv laser mercury column mercury column mercury contamination mercury cooled reactor mercury diffusion pump

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。