Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/f4d53772a22f64977cdef7179fe1d89a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 acoustical telegraphy是什么意思，acoustical telegraphy的翻译，acoustical telegraphy音标、读音、用法和例句_沉淀汉英词典