SPL

例句：

1. 1. The teacher explained the SPL to us in detail.
   老师向我们详细解释了SPL。
2. 2. The song has a beautiful SPL that makes it catchy.
   这首歌有一个美妙的SPL，使它很抓耳。
3. 3. The singer's voice has a unique SPL that sets him apart from others.
   这位歌手的声音有一种独特的SPL，使他与众不同。