All the tribe members standing in awe watching a man knocking down coconuts from the top of a 25-metre palm tree, who then descended with no harness or climbing aid.

所有部族成员很佩服地看着一个人从25米高的椰子树上把椰子打下，然后毫不费力地从树上徒手爬下。

youdao

A sling sewn (or tied) with numerous loops, used as an adjustable sling in aid climbing.

人工攀登工具：一种缝成或结成的连续绳圈。

youdao

Aid climbing - Moving up a rock using fixed or placed protecting as a means of progression (and not just for protection).

器械攀登。在攀爬过程中使用的器械不仅仅用作保护，而且借助向上。

youdao

If free soloing (using only rock shoes, without the protection of a rope) is the purest form of climbing, then aid soloing is the slowest, most cumbersome kind one can imagine, mixing, as it does, terror and tedium.

WSJ: Training for the Big Wall | By Michael J. Ybarra

The strength of the 2008 junior champion's game is her ball-striking and it came to her aid in game eight as she broke to love with a fizzing return of serve, but Jankovic was climbing all over the Robson second serve and she broke once again to seal the set in 31 minutes.

BBC: Wimbledon 2010: Laura Robson beaten by Jelena Jankovic