英语词汇“penumbral waves”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	penumbral waves
释义	penumbral waves penumbral waves [pə′nəm·brəl ′wāvz] (astronomy) Waves that are often observed to propagate outward across the penumbrae of large sunspots when the penumbrae are viewed in the light of the Hα spectral line of hydrogen.
随便看	jatf jatfc jatgp jath jathniel jati jatim jatis jati (tree) jativa jatj jatka jatl jatlite jatm jatma jatmi jatms jatmwg jato jatoba jatobá jatoe jato engine jatog

英语词典包含2567994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。