Luggage thrown in the dust on the bed, opensound, music will linger in the room.
把行李扔在封尘的床上，打开音响，音乐便萦绕在房间里。
2
This is the day of June, outside the sun scorching summer heat, audible in the wind "buzzing" opensound.
这是六月天，外面太阳炎炎，听得见暑气在风中“滋滋”开拆的声音。
3
This paper provides that partial opensound insulating cover is adopted to insulate against sound and decrease noise of large air compressor unit. Good results of application have been achieved.