* `HIGH `= `高电平`
* `LOW` = `低电平`
* `INPUT` = `输入`
* `OUTPUT` = `输出`
* `true` = `真`
* `false` = `假`
* `DEG_TO_RAD` = `弧度转角度`
* `RAD_TO_DEG` = `角度转弧度`
* `void` = `函数`
* `boolean` = `逻辑型`
* `char` = `字符型`
* `byte` = `字节型`,
* `int` = `整数型`
* `word` = `无符号整型`
* `long` = `长整型`
* `float` = `单精度浮点型`
* `double` = `双清度浮点型`,
* `string` = `字符串`,
* `array` = `数组`