释义
adj.
[attrib.]of or relating to the immediate environs of something 环境的，周围的:
该液体贮存在低于周围温度的环境中。
of or relating to ambient music
（与）背景音乐（有关）的。
relating to or denoting advertising that makes use of sites or objects other than the established media (e.g. by placing slogans on the back of bus tickets)
（广告）利用环境来做的（区别于媒体广告）。
n.
a style of instrumental music with electronic textures and no persistent beat, used to create or enhance a mood or atmosphere
背景音乐。
词源
"late 16th cent.: from French