Today, along the ridge, climbers have the advantage of about 60 aluminum ladders to cross a treacherous ice fall and thousands of yards of fixed ropes.是什么意思_Today, along the ridge, climbers have the advantage of about 60 aluminum ladders to cross a treacherous ice fall and thousands of yards of fixed ropes.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句