相关单词同义词prehistory, 近义词 backcloth 背景幕, background 背景, scenery 风景, set 放置, stage set 场景和道具布置..., scene 情景, setting 背景, milieu 周围环境, environment 环境, framework 框架, locale 现场, surroundings 周围的事物, circumstances 情况临近词backer, backbone, backdrops, backdrop manhole, backdrop procedure, backdrop of violence, backdrop of New Villages, backdrop to the new initiatives相似词backcomb, backcountry, backdate, backdoor, -backed, backed up, backer, backfill, 返回 backdrop