Instruments can become heavy because you start to set quite permanent roots into the town.

因为你开始在这个城镇扎根，所以乐器会变得很重。

After decades of raiding British villages  then sailing back to their homes on the European continent, the Anglo-Saxons put  down permanent roots on the British Isles.

盎格鲁-撒克逊人在掠夺英国村庄数十年，然后乘船返回欧洲大陆后，在不列颠群岛永久扎根。