rising diphthong是什么意思，rising diphthong的翻译，rising diphthong音标、读音、用法和例句_开心英文字典

Warning: file_put_contents(): Only 0 of 7015 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55
rising diphthong是什么意思，rising diphthong的翻译，rising diphthong音标、读音、用法和例句_开心英文字典_柠咚词