令牌是单独的关键字、符号和标识符。

Tokens are individual keywords, symbols, and identifiers.

youdao

分为四类：标识符、关键字、运算符和分隔符 和 直接常量。

There are four classes: identifiers, keywords, operators and delimiters, and literals.

youdao

分为四类：标识符、关键字、运算符和分隔符 和 直接常量。

There are four classes: identifiers, keywords, operators and delimiters, and literals.

youdao