relict
n. 寡妇;残余物,残余体;未亡人
例句
Paleosols of China are divided into buried and relict soils.
中国古土壤现分为埋藏土和残余土两大类。
Nanling subtropical forest forest types, the origin of ancient, save a lot of ancient relict plant.
森林类型南岭亚热带阔叶林,起源古老,保存不少古代残遗植物。
Some relict crystals of magnetite in hematite are clearly discovered under the mineragraphic microscope.
在显微镜中可以清楚看到,赤铁矿中有不少磁铁矿的残晶。