详细文本统计：字数、句数、平均词长、阅读水平等。
Characters (with spaces)
0
Characters (no spaces)
Words
Sentences
Paragraphs
Avg Word Length
0.0 chars
Avg Sentence Length
0.0 words
Reading Level
Flesch-Kincaid Grade
Unique Words
Longest Word
-
Shortest Word