Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/cd25fa628556b4cc7a7069a5c0e8e890.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 five-element differentiation是什么意思，five-element differentiation的翻译，five-element differentiation音标、读音、用法和例句_94生活常识网有道词典