sluice out的用法和样例：
例句
- Don't rinse the tea leaves out into the sink.
切勿把茶叶冲洗到水槽里。 - Be careful to rinse all the soap out of your hair.
一定要把头发上所有的肥皂水冲洗掉。 - The torrents scoured out a channel down the hill side.
急流沿着山腰冲刷出一条水沟。 - This valley is said to have been cut out by swift rivers hundreds of years ago.
据说，这条山谷是几百年前被急流冲刷而成的。
