Warning: file_put_contents(/www/wwwroot/ppbbu/qk12333.com/cache/1b439793b51d14f736f7e44d8c2cfd0b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/qk12333.com/index.php on line 55 close central rounded vowel是什么意思，close central rounded vowel的翻译，close central rounded vowel音标、读音、用法和例句_奇客生活牛津词典