登山杖

例句：

1. 1.She uses a mountain staff to help her climb the steep hill.
   她使用登山杖帮助她攀登陡峭的山坡。
2. 2. The hikers were carrying their trekking poles to prepare for the long day ahead.
   徒步旅行者正在携带他们的登山杖，为即将到来的长日做准备。
3. 3. The guide showed us how to use our mountain staff effectively for safety reasons.
   导游向我们展示了如何有效地使用我们的登山杖以确保安全。