1.【地】消融,冰面融化;【化】烧蚀
2.【医】部分切除(术);【医】脱落
1.the removal of diseased or unwanted tissue from the body by surgical or other means
2.the melting or erosion of the protective outer surface of a spacecraft during reentry through the Earth's atmosphere
3.the removal of snow and ice by melting and sublimation from a glacier or iceberg