dēng / pān / dǒu / qiào / de / yán / bì / xū / yào / zhuān / yè / zhuāng / bèi / hé / fēng / fù / jīng / yàn

登攀陡峭的岩壁需要专业装备和丰富经验。

Climbing steep rock faces requires specialized equipment and extensive experience.