Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/57ba9a945b540617a4c34c2b43f00524.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 single-valued function是什么意思，single-valued function的翻译，single-valued function音标、读音、用法和例句_衣物護欧路词典