Warning: file_put_contents(/www/wwwroot/ppbbu/qk12333.com/cache/85b2544e939f78711fee220342876a91.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/qk12333.com/index.php on line 55 ball-ended magnet是什么意思，ball-ended magnet的翻译，ball-ended magnet音标、读音、用法和例句_奇客生活牛津词典