people often climb mountains
人们经常爬山
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Mountain climbing experts often use it as a difficult test for people who want to climb some of the world's highest mountains.
攀登专家说，此山经常用来对那些准备攀登世界最高峰的人进行艰苦训练的基地。
youdao
应用推荐
模块上移
模块下移
不移动