Faunal assemblage are directly related to the depositional environment.动物群落与沉积环境有直接关系.Collect geological samples, faunal materials, botanical specimens, and sediments samples.收藏地质样品 、 动物区系的资料 、 植物学的样品和沉积样品.Pan's hou...
He acted as a backstop in case anything went wrong.他充当棒球捕手,以防出现任何差错.Fisher .'Collateral should only be a backstop.抵押品应该只是一种防护.You are the key backstop of any relationship.你是任何关系的核心基础....