Rilling
小河, 小溪( rill的现在分词 )；（地表或岩石表面）冲蚀而成的水沟
🗣️ 情景例句
My pleasure, Son.
不客气，儿子。
The movie began as soon as we got there.
我们一到那儿电影就开始了。
This is how they keep their way of life alive.
他们就是这样使自己的生活方式得以保持和延续。