Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/2d2fda7e95bfeeb0340b5abd373e4794.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 black box characterization是什么意思，black box characterization的翻译，black box characterization音标、读音、用法和例句_沉淀汉英词典