This deep hum of a mothership will add life of ambiance to any space setting and Even though this sound is extra long, It is necessary for full effect for proper background quality. Enjoy<br/>母艦背景sound.wav<br/>聲道：2<br/>類型：wav<br/>soundscape、ship、ambience、atmos、aliens、Mothership、space、sci-fi、atmosphere<br/>音景、船、環境、ATMOS、外星人、母艦、空間、科幻、大氣層<br/>資料來源：freesound ( https://freesound.org )