When the climbers looked back, they saw that two uninvited visitors had joined on.
登山者回头一望, 
个不请自来的游客在跟他们一起爬山。
When the climbers looked back, they saw that two uninvited visitors had joined on.
登山者回头一望, 个不请自来的游客在跟他们一起爬山。
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
，
达内容亦不代本软件的观点；若发现问题，欢迎向我们指正。
