Najd

例句：

1. 1. The Najd is a region in Saudi Arabia known for its rich oil reserves.
   纳吉德是沙特阿拉伯的一个地区，以其丰富的石油储备而闻名。
2. 2. The Najd is also famous for its camel caravans, which transport goods across the desert.
   纳吉德也因其骆驼商队而闻名，这些商队穿越沙漠运输货物。
3. 3. The Najd is home to some of the world's largest oases, providing fertile soil for agriculture.
   纳吉德拥有一些世界上最大的绿洲之一，为农业提供了肥沃的土壤。