This decline in vigour with the passing of time is called ageing.

生命力随着时间流失而衰退叫做衰老。

Then production and availability will begin to seriously decline.

然后产量和可获得数量将会开始急剧减少。

But as jobs increased, the average hourly wage in America declined.

然而就业机会增多，导致美国平均时薪降低。

Then, at the close, shall life's decline Be full of sunset splendor.

在行将告别之际，生命谢幕将充满落日光辉。

Well, the researchers cited a marketing campaign designed to reverse the sales decline of carrots.

研究人员引用了一项旨在扭转胡萝卜销量下滑营销活动。

Morgan's diatribes on the subject have even led celebrities to decline interviews with him.

摩诉甚至导致一些名人拒绝接受他采访。

As China's farming population declines, agricultural modernization is needed to enhance productivity.

随着中国农业人口减少, 农业现代化就需要提高生产力。

The State Department has declined to comment.

美国国务院拒绝置评。

Over recent years they haven't yet declined.

近年来也没有下降。

Revenues are declining at all three networks.

三个公司总收入都在下降。

Could the bad old days of economic decline be about to return?

过去经济衰落日子会不会重来？

Riggs says this contributed to their decline.

Riggs说，这是导致自助餐厅数量在逐年下降部分因。

That number has been declining steadily since the 1950s.

这个数量自从1950年就开始下降。

This decline began in the 1960s and has become more serious over time.

该数据从20世纪60年代就开始下降，并随着时间推移变得更加严重。

Question 14. What is the historical cause of the decline in the American Indian Languages?

美国印第安语言衰落历史源是什么？

Economists there note quote, " the unprecedented magnitude of the decline in employment and production."

经济家指出，" 就业和生产下降幅度前所未有。"

When housing prices declined, it sparked a crisis in subprime loans.

当房价下跌时，它引发了次贷危机。

She's declining my invitation - she's saying 'no' to my invitation.

她在拒绝我邀请——对我邀请说“不！”

I decline to accept the end of man.

我拒绝接受人类末日说法。

As a result, the subway saw a rapid decline in ridership.

因此，地铁乘客量迅速下降。