Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/0793145adafd3db88f39e39d1c89a743.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 mechanics (n.)是什么意思，mechanics (n.)的翻译，mechanics (n.)音标、读音、用法和例句_94生活常识网有道词典