shroud

1. N-COUNT A shroud is a cloth which is used for wrapping a dead body. 裹尸布

...the burial shroud. …下葬裹尸布。

2. V-T If something has been shrouded in mystery or secrecy, very little information about it has been made available. 掩盖

For years the teaching of acting has been shrouded in mystery. 数年来，表演教学一直被蒙上神秘的色彩。

3. V-T If darkness, fog, or smoke shrouds an area, it covers it so that it is difficult to see. 笼罩

Mist shrouded the hilltops. 薄雾笼罩了那些山顶。