相关单词近义词 gravity 重力, solemnity 庄严, seriousness 严肃, earnestness 坚定, sombreness 昏暗, gloom 黑暗, sobriety 清醒, graveness 重大, soberness sober的名词形式..., gloominess 黑暗临近词somber 返回 somberness