从一个通过编程说出“数学课很难”的芭比娃娃到一个能够分析句子语法但拒绝回答“四分之三的一半是多少”的首相，数学恐惧症在生活中处处可见。

From Barbie dolls programmed to say "math class is tough" to ministers of state who will parse and analyse a sentence but refuse to answer "what's half of three-quarters?", maths-phobia is everywhere.

youdao

以下是对一个句子进行词法分析和解析的示例。

Here is an example of lexing and parsing a sentence.

youdao

词法分析器是我们的语言知识中识别“这是一个句子；这是标点；t wenty - three是一个单一的词”的那一部分。

The lexer is the part of our language knowledge that says "this is a sentence; this is punctuation; twenty-three is a single word."

youdao