
n.光明;光度;發(fā)光體
Luminosity glows through pale velum walls. 耀眼的光芒透射著蒼白的幕墻。
Its luminosity is measured relative to that of our sun. 發(fā)光度是對(duì)比我們太陽的發(fā)光度測(cè)得的。
Astronomers tacitly assume that stars of the same luminosity and color all have the same mass. 天文學(xué)家心照不宣地默認(rèn),光度和顏色都相同的恒星具有相同的質(zhì)量。