The entire file will be in upper case, and no dictionary word or phrase will contain more than 20 letters.

输入的数据全部由大写字母构成，所有字典单词和短语都最多包含20个字母。

youdao

The entire file will be in upper case, and no dictionary word or phrase will contain more than 20 letters.

输入的数据全部由大写字母构成，所有字典单词和短语都最多包含20个字母。

youdao