用繩索下口
Rappel \Rap"pel\, n. [F. Cf. {Repeal}.] (Mil.)
The beat of the drum to call soldiers to arms.
rappel
v : lower oneself with a double rope coiled around the body from
a mountainside; "The ascent was easy--roping down the
mountain would be much more difficult and dangerous";
"You have to learn how to abseil when you want to do
technical climbing" [syn: {abseil}, {rope down}]
[also: {rappelling}, {rappelled}]