Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/0a1bc8bbb2224dc7e7d22c394c69c0de.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 backward wave oscillation是什么意思，backward wave oscillation的翻译，backward wave oscillation音标、读音、用法和例句_欧米惠必应词典