N a barrel for collecting rainwater, esp from a drainpipe 集雨桶
Make sure your water butt has a top to exclude sunlight.
确保你的水桶有个盖子遮挡阳光。
Then he threw the butt down into the dirty water and made his way back the way he had come.
然后他把烟头扔下肮脏的水，向他来时的路走去。
If you have a garden shed, install guttering to direct the run-off water into a water butt.
如果你有一个花园，修建排水沟将本来直接排掉的水导向水桶。
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