There is even less risk of injury in indoor climbs than outdoor climbs.It is rare to have a fall because climbers should be roped at all times.是什么意思_There is even less risk of injury in indoor climbs than outdoor climbs.It is rare to have a fall because climbers should be roped at all times.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句