英语词汇“compact h ii region”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	compact h ii region
释义	compact H II region compact H II region [′käm‚pakt ′āch ′tü ‚rē·jən] (astronomy) A region of dense ionized hydrogen in interstellar space, not greater than 1 parsec (1.9 × 10¹³ miles or 3.1 × 10¹³ kilometers) in diameter.
随便看	basque people basque provinces basque region basques basquiat, jean-michel basquine basquish basr basra basra belly basrah basrah, al- basra, iraq basra iraq international airport basra operations command basrat basrc bas relief bas-relief basrelief bas-reliefs bas-relieves basrh bas rhin bas-rhin

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。

compact H II region