这块砂岩的独特相态表明了它特定的沉积环境。

The distinctive ___facies of this sandstone indicates its specific depositional environment.

这片湿地呈现出典型的淡水相特征，生物多样性丰富。

This wetland displays a typical freshwater ___facies with rich biodiversity.

医生注意到患者特殊的面容特征可能与内分泌疾病有关。

The doctor noted that the patient's distinct ___facies might be related to an endocrine disorder.