1.The desert air contains hardly any moisture.沙漠的空气几乎不含一点湿气。
2. Cars should cross the desert in convoy in case there is a breakdown.
汽车应该结伴穿越沙漠,以防抛锚。
3. Miles upon miles to the east and southeast the desert unrolled itself.
荒野绵延万里的向东面和东南面铺展开去。
4.The town was an oasis of prosperity in a desert of poverty.
该镇是贫穷荒漠中的一块繁荣的"绿洲"。