倒塌: collapse; topple down下降: descend; go or come down; dr ...倒塌: collapse; topple down 房子倒塌了。 the house collapsed.; the house fell down崩溃;倒塌: fall to pieces倒塌,崩溃: collapse倒塌,坏掉: break down倒塌,病倒: collapse verb平倒塌: pancake collapse破坏;倒塌: fall apart让步,倒塌: give way使倒塌: topple vt/vi形倒塌: v-type collapse下降: descend; go or come down; drop; fall; decrease (in); decline; fall off; droop; downgrade 逐渐下降 decrease by degrees; 生产[体重] 下降 decrease in production [weight]; 引起下降 bring about its decline; 持续下降 steady decline; 下降到次要位置[地位] be relegated to a secondary position; 出生率下降 a decline in the birth rate; the birthrate is on the decline. 价格下降。 the prices are declining. 飞机正在下降。 the plane was descending. 气温显著下降。 there was a marked drop in temperature. 生产成本逐年下降。 production costs come down every year. 销售量下降了。 sales have dropped off倒塌;一败涂地: fall to the ground倒塌的房屋: collapsing houses掉下;倒塌;失败: fall down动摇倒塌: topple房屋倒塌: property collapse房子倒塌了: the house fell down防倒塌棚架: collapse-proof shed火烧倒塌: fire fall建筑倒塌: building colla e; building collapse建筑物倒塌: founder结构倒塌: structural colla e; structural collapse楼板倒塌: floor colla e; floor collapse