n.后退；（经济）不景气
A few days later, there was a gradual recession of flood waters. 几天之后,洪水逐渐消退。
There is no sign that the recession has bottomed out yet. 没有迹象表明萧条已经到了极点。
adj.后退的；议会休会的
n.退场的赞美歌
adj.(经济)衰退的；衰退期的
n.先行；[物]进动；（分点）岁差
