He ended up on a circus sideshow traveling through the country with the big steel pipe that went through his head.
最后,他带着那根穿过他脑袋的大钢管,参加了一个全国巡演的马戏团表演。
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For example, if you want to count only the words in the first five text files in the directory, you can use a pipe (|) to hook the wc and head commands together.