free climbing

Friend: One of the boldest things I ever saw Dan do was free solo rock climbing.

朋友: 我所见过丹做过的最大胆的事之一就是徒手攀岩.

When I am on the ground, people are free to come and go as they please. But the moment I start climbing she is on watch.

当我在陆地上时，人们可以自由在我身边活动，但当我准备起飞时，它就开始密切关注，不让人打扰我。

I do mountain climbing in my free time.

我在空闲的时候爬山.

Top Roping: Free climbing a route that has the safety rope attached to the top of the climb ( usually one walks to the top to set up the top-rope belay).

上方确保：在已从顶端架好确保绳的岩壁上做平衡攀登（通常可先走到上方架设固定点）。

The waxy surface in the red tube stops bugs from climbing free.

红管里白色蜡质物质，防止虫儿逃脱。