Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/22cfbc9d0b59a25f476e0709d9f34ef9.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 operant (adj.)是什么意思,operant (adj.)的翻译,operant (adj.)音标、读音、用法和例句_沉淀汉英词典