We shall hardly even touch the captivating problems of modern extragalactic astronomy.
甚至几乎不涉及现代河外天文学中吸引人的课题.
辞典例句
Extragalactic nebula is invisible to the naked eye.
我们用肉眼是看不到河外星系的.
互联网
This Paper has Studied the observational parameters of 20 extragalactic H 2 O megamaser Sources.
研究了至今为止已发现的20个河外H2O超脉泽源的观测参数.
互联网
"extragalactic nebula"