复数：escalades 现在分词：escalading 过去分词：escaladed
1.(用梯子)攀登;【军】(用云梯)爬(城)
1.活动人行道
2.爬云梯,用云梯爬墙
1.an attack involving the use of ladders to scale the walls of a fortified place
1.to scale the walls of a fortification using ladders
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