“neutral hydrogen region”概念、定义、翻译-科学时代

单词	neutral hydrogen region
释义	天文学词汇手册 neutral hydrogen region 中性氢区
随便看	social security social security social security social security social security social security social security social security social security act social security adjustment option Social Security Assistance Index of Prices Social Security Assistance Index of Prices（SSAIP） social security benefit social security benefit social security card social security contribution social security contribution social security function social security fund social security outlay social security system social security system social security system social security tax social selection

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。