all-bottom sound

例句：

1. 1. The all-bottom sound of the ocean waves crashing against the shore is soothing to the ear.
   海洋波浪撞击岸边的全底声是令人心旷神怡的。
2. 2.In music, the all-bottom sound refers to a musical instrument that produces a continuous, uniform sound without any breaks or pauses.
   在音乐中，全底声是指一种乐器，它产生连续、均匀的声音，没有停顿或暂停。
3. 3. The all-bottom sound of the piano is soft and gentle, creating a peaceful atmosphere in the room.
   钢琴的全底声柔和而轻柔，为房间创造了一种宁静的氛围。