1 . excavation
excavate 挖掘excavation 发掘excess components 过剩成分
2 . exhumation
...exhaustion of groundwater resources 地下水源枯竭exhumation 发掘exine 外膜
3 . unearth
历史文物 historical relics发掘 unearth朝代 dynasty
4 . disentomb
disentitle 剥夺权利disentomb 发掘disentrance 觉醒