n.周围,环境
They stayed, safe and happy, within their own social milieu.
他们幸福无忧地呆在自己的社交圈子里。
His natural milieu is that of the arts.
他生于艺术之家。
Foods usually provide a good milieu for the persistence of viruses.
食品通常为病毒存续提供了一个良好的栖身所.