trickling

例句：

1. 1. The rain trickled down the windowpane, filling the room with a soothing sound.
   雨水顺着窗玻璃滴落，给房间带来了一种舒缓的声音。
2. 2. The river trickles over its banks, providing a serene backdrop for the surrounding nature.
   河流缓缓流过河岸，为周围的自然景色提供了一个宁静的背景。
3. 3. The oil began to trickle out of the pipe, causing concern among the workers.
   油开始从管道中渗出，让工人们感到担忧。