Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/d5c38e86791f117997a2dd6b670b5689.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 downward type bias是什么意思，downward type bias的翻译，downward type bias音标、读音、用法和例句_骑士汉英词典