Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/638f8a86d0558c35607f4427c163b52a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 primary stimulus generalization是什么意思，primary stimulus generalization的翻译，primary stimulus generalization音标、读音、用法和例句_2020年的事情英文词典