稀少 (xī shǎo): sparse; rare

On this plateau, the air is very thin, and newcomers often find it hard to breathe.

Due to environmental pollution, the number of this fish has become very scarce, and fishermen can hardly catch them anymore.

In the desert, water sources are very sparse, and travelers must prepare enough water in advance.

This area is sparsely populated; the whole village has only a few dozen households and seems very quiet.