desert表示沙漠是不可数，如果表示大片沙漠是可数。

desert：n.沙漠;荒漠;荒原。

扩展资料

Desert plants are adapted to cope with extreme heat.

沙漠植物适于耐酷热。

The heat in the desert was extreme.

沙漠中极其炎热。

Don't desert me in my hour of need.

不要在我困难的时候离开我。

Why did you desert teaching for politics?

你为什么弃教从政呢？

As usual at that hour, the place was deserted.

跟平常那个时刻一样，那地方空荡荡的。