单词	rockfall
释义	rockfallrock‧fall /ˈrɒkfɔːl $ ˈrɑːkfɒːl/ noun [countable] Examples EXAMPLES FROM THE CORPUS Jagged boulders from rockfalls triggered by ice and rushing water made progress difficult. The rockfall lasted at least a minute. The scale of this rockfall certainly suggests that there will continue to be collapses on this popular buttress. a pile of rocks that are falling or have fallen
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