rolled-up pebble是什么意思，rolled-up pebble的翻译，rolled-up pebble音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4726 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55
rolled-up pebble是什么意思，rolled-up pebble的翻译，rolled-up pebble音标、读音、用法和例句_沉淀汉英词典

rolled-up pebble

基本解释

专业释义

地球科學