Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/c018324a1b321f1dd6c03d2fc262ee5a.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 demarcation potential是什么意思，demarcation potential的翻译，demarcation potential音标、读音、用法和例句_果味酸柯林斯词典