Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/140650d466d8296003d39f5a7131a824.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 sequential operation是什么意思，sequential operation的翻译，sequential operation音标、读音、用法和例句_按摩法牛津词典