twilight

n. 暮光、曙光、黎明、黃昏、微光、朦朧狀態

a. 微明的

學術名詞

曙暮光：天文學、地球科學、氣象學、海事、大氣科學
曙光：物理學、測量學、航空太空、機械工程
微光：物理學
曙幕光弧：航空太空
朦朧：醫學
薄暮：舞蹈

英文釋義

the time of day immediately following sunset
the diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth
a condition of decline following successes
lighted by or as if by twilight