Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/c22763cbd12a10963693a61d40701e84.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 under study是什么意思，under study的翻译，under study音标、读音、用法和例句_衣物护欧路词典