水土shuǐtǔ 1.土地表面的水和土{water and soil on the surface of the earth}: ～流失{soil erosion}|森林能保持～。{Forests can help conserve water and soil.} 2.泛指自然环境和气候{(in a broad sense) natural environment and climate}: ～不服。{unaccustomed to the climate of a new place; unacclimatized}