凹陷，
;
牢;We found some really interesting caves, but we didn't have the gear to go spelunking.
发现一些相当有趣的洞穴，
没有装备去进行洞穴探险。
We found some really interesting caves, but we didn't have the gear to go spelunking.
发现一些相当有趣的洞穴，没有装备去进行洞穴探险。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向
指正。
