aid climbing

noun
🔊/ˈeɪd klaɪmɪŋ/
🔊/ˈeɪd klaɪmɪŋ/
(also aiding)
[uncountable]
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  1. the sport of climbing steep rock surfaces with a lot of equipment to help you器械攀登,辅助攀登(使用辅助工具的攀岩运动) compare free climbing