| 单词 | plasmasphere |
| 释义 | plasmasphere /plaz"meuh sfear'/, n. Astron. a region of cool plasma surrounding the earth, extending 8000-25,000 mi. (13,000-40,000 km) into space, and bounded by the plasmapause. [1965-70; PLASMA + -SPHERE] |
| 随便看 |
英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。