declines
If there is a decline in something, it becomes less in quantity, importance, or quality.
Official figures show a sharp decline in the number of foreign tourists.
官方数字显示外国游客数量骤降。
The first signs of economic decline became visible.
经济衰退的初始迹象开始显现。
in decline , on the decline
If something is in decline or on the decline, it is gradually decreasing in importance, quality, or power.
Thankfully the smoking of cigarettes is on the decline.
值得庆幸的是吸烟量正在减少。
into decline
If something goes or falls into decline, it begins to decrease gradually in importance, quality, or power.
Libraries are an investment for the future and they should not be allowed to fall into decline.
图书馆是对未来的一种投资,不应任其日趋萎缩。
declines , declining , declined
If something declines, it becomes less in quantity, importance, or strength.
The number of staff has declined from 217,000 to 114,000.
员工人数已从21.7万减少到11.4万。
Hourly output by workers declined 1.3 in the first quarter.
工人每小时的产量在第一季度下降了1.3。
a declining birth rate.
不断下降的出生率。
If you decline something or decline to do something, you politely refuse to accept it or do it.
He declined their invitation.
他谢绝了他们的邀请。
He offered the boys some coffee. They declined politely.
他要给男孩们来些咖啡。他们礼貌地拒绝了。