鸭子是在有大量水的地方觅食和繁殖的鸟类，但近几十年来，由于干旱，它们的栖息地一直在缩小。

Ducks are birds that feed and breed in areas where there is a lot of water, but their habitats have been shrinking in recent decades because of the droughts.

youdao

但近几十年来，越来越多的中国年轻人自发地施展才艺，突出个性与独特魅力。

But recent decades have witnessed an increasing willingness among young Chinese to show off their talents, highlight their individuality and be unique.

youdao

想要废除君主制的人群比例近几十年来一直徘徊在30%左右，但漠视和嘲笑的人数却增加了。

The proportion of Britons who want to abolish the monarch has hovered around 30% for decades, but indifference and ridicule have risen.

youdao