The investigation of dark nebulas has been facilitated by a new discovery.
對(duì)暗星云的研究被一種新發(fā)現(xiàn)所推進(jìn).
辭典例句
This suggest that the nebulas are aggregates of stars.
這說明星云是恒星的聚集體.
辭典例句
Galactic nebulas are masses of diffuse material within our galaxy.
銀河星云是我們星系中的一團(tuán)團(tuán)彌散物.
辭典例句
Good spectra of the spiral nebulas are difficult to obtain because of their extreme faintness.
旋渦星云因?yàn)榉浅０?難以得到它們的清晰的光譜.
辭典例句
Numerous red emission nebulas and blue reflection nebulas are visible throughout the image.
無數(shù)紅熱噴射星云和藍(lán)色反射星云也在此圖中清晰可見.
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