escalade
escalade[ˌɛskəˈleɪd]noun- [mass noun](historical)the scaling of fortified walls using ladders, as a form of military attack
(史)(军事进攻时)(用云梯)攀登城垣
语源- late 16th cent.: from French, or from Spanish escalada, escalado, from medieval Latin scalare 'to scale, climb', from Latin scala 'ladder'
考试词汇表