当你在字典里查找一个单词的时候，注意单词的第一个字母。
When you look up a word in the dictionary, pay attention to the first letter of the word.
如果您正在查找一个单词加上它的一个派生词，可以在圆括号中包含派生词的标志字符。
If you are looking for a word plus one of its possible derivatives, include the distinguishing characters of the derivative in parentheses.
清单1提供了一个完整的示例，该示例将在特定文件中查找从命令行作为输入而传入的最长单词。
Listing 1 provides a complete example by looking for the longest word in a particular file passed in from the command line as input.
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