recess: n.1.休息,歇息;(议会的)休会(期间);〔美国〕(大学等的)短暂的休假。2.隐居处;〔pl.〕幽深处,深底。3.(山脉、海岸等的)凹进处,山隈,水隈;壁龛;壁凹;【解剖学】(器官的)凹处,隐窝。4.【历史】条约,条令。短语和例子the noon recess 午休。 at recess 在休息时间。 go into recess 休会。 in the inmost re
The working environment of the background music speaker is halls / rooms with suspended ceiling , this is why recessed ceiling - mount speakers without rear cowls 背景音乐扬声器工作的现场环境为有吊顶的室内,故而采用嵌入式、无后罩安装的吸顶扬声器。