在炎热的沙漠公路上，司机们常看到前方路面出现虚假的水坑幻象。

Drivers often see shimmering ___mirages of water puddles on the scorching desert highway ahead.

沙漠中的绿洲幻象常常让旅人空欢喜一场。

The ___mirages of oases in the desert often give false hope to travelers.