decibels with reference to one kilo watt

例句：

1. 1. The sound level in the recording studio is very low.
   录音棚里的声音水平非常低。
2. 2. The volume of the music was too loud for me to listen to.
   音乐的音量对我来说太大了，我听不了。
3. 3. The decibel levels are measured in units called decibels.
   分贝水平是以称为分贝的单位来衡量的。