相关单词近义词 collapse （使）倒塌, fall 落下, drop 落下, slide 滑动, demolition 破坏, yielding 柔软的, capitulation 有条件投降, surrender 投降, concession 让步, withdrawal 撤退, about-face 向后转, U-turn U形转弯, about-turn 向后转临近词cave, Caveye 返回 cave-in