its a rainy day信息详情
这是雨天
a rainy day───n.雨天， 穷困的日子；n.雨天；穷困的日子
its rainy───下雨了
rainy day───n.穷困时期，雨天；雨天；穷困时期
for a rainy day───以防不时之需；以备不时之需
on a rainy day───在雨天
on rainy day───雨天
rainy for day───下雨天
save for a rainy day───未雨绸缪；备不时之需
PeapLa rainy day───PeapLa雨天
On a rainy day the soup is comfort food at its finest.───在雨天，汤是很舒适的食物。
As porous concrete has a good performance of permeability in the rainy day, which can put the water back to the underground through its connectivity, so it often be used to the sidewalks.───由于透水混凝土具有良好的透水性能，在雨天可以通过其连通的孔隙将雨水回流到地下，因此常作为人行道面的铺装材料。
He explained that although China may have its problems, it is the largest creditor worldwide and has saved enough for a rainy day with its huge foreign currency reserve.───他解释说，尽管中国有其自身的问题，但它作为全球最大的债权人拥有庞大的外汇储备以备不时之需。