birr

例句：

1. 1. The river flows through the town, providing fresh water for the residents.
   这条河流过这个城镇，为居民提供新鲜的水源。
2. 2. The fisherman caught a lot of fish in the sea, and they brought back birr to sell atthe market.
   渔民在海里捕获了很多鱼，他们把这些鱼带回来在市场上卖。
3. 3.The farmer used birr to irrigate his fields, which helped to grow crops.
   农民用这些水来灌溉他的田地，这有助于种植作物。