Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/de4955e09f8caeea7a1dc21c83fd8f8c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 discriminated operant是什么意思,discriminated operant的翻译,discriminated operant音标、读音、用法和例句_沉淀汉英词典