Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/ee5d3b519316c13c104cc36a80c92615.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 bunching mechanism是什么意思，bunching mechanism的翻译，bunching mechanism音标、读音、用法和例句_流逝汉英词典