Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/7817ac8f5af9c06bf390c870af50d144.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 difficult to expectorate是什么意思，difficult to expectorate的翻译，difficult to expectorate音标、读音、用法和例句_欧米惠必应词典