rappel
过去式: rappelled 过去分词: rappelled 现在分词: rappelling 第三人称单数: rappels
rappel基本解释
vi.绕绳下降
n.绕绳下降
rappel同义词
rappel英英释义
"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"