In fact the uros part is related to our English word arse.

事实上，uros的部分与我们英语词arse有关。

youdao

Their inhabitants, the Uros, preserve an old-school artificial island-making technique that their predecessors employed for centuries.

岛上的乌鲁斯人居民保存了一门老式的人工岛制造技术，这套技术他们的前辈们已经应用了几百年了。

youdao

Reeds are the backbone of Uros construction. They bundle them to make their islands, homes, their cartoonishly curved boats and even their sails.

芦苇是乌鲁斯建筑的基础，人们捆扎芦苇建造他们的岛、他们的家以及那些很卡通的弧形船，就连船帆都是芦苇做的。

youdao

The package of measures was announced by Slovenia's recently installed Prime Minister, Alenka Bratusek, and her Finance Minister, Uros Cufer.

BBC: Slovenia unveils reforms as it seeks to avoid EU bailout