Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/51c9c53da5cba220edb1da2caba39936.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 demarcation potential是什么意思，demarcation potential的翻译，demarcation potential音标、读音、用法和例句_甲百汇小鸡词典