scrim
/skrɪm/noun
mass noun
1- strong, coarse fabric, chiefly used for heavy-duty lining or upholstery（主要用作垫衬和家具装饰的）粗布。
1.1
- count noun Theatre a piece of gauze cloth that appears opaque until lit from behind, used as a screen or backcloth【戏剧】纱幕。
1.2
- count noun a similar heatproof cloth put over film or television lamps to diffuse the light（电影或电视光源灯的）散光用的耐热粗布。
1.3
- count noun chiefly US a thing that conceals or obscures something〈主美〉遮掩物：
a thin scrim of fog covered the island.
一层薄雾笼罩了岛屿。
词源
late 18th cent.: of unknown origin.