[ xiàjiàng ] descend; go or come down; drop; fall; decrease (in); decline; fall off; droop; downgrade 短语和例子 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