semiarid region半干燥区;[地理] 半干旱区
semiarid soils半干旱性土壤
semiarid fan半旱地扇
semiarid regions半干旱区
semiarid zones半干旱地区
semiarid landscape半干旱草场
arid semiarid干旱半干旱
semiarid areas半干旱
semiarid zone半干旱地带
ADJ(形容词) characterized by scanty rainfall and scrubby vegetation, often occurring in continental interiors 半干旱的
the semiarid regions of Australia