1 (especially US 尤为美) (used about murder 指谋杀罪) of the least serious of three kinds 三等的；三级的

2 (used about burns 指烧伤) of the most serious of three kinds, affecting the flesh under the skin and leaving permanent marks （第）三度的（三种烧伤中最严重的一种，影响到肉，留有永久性疤痕） ☞Look at first-degree and second-degree. 参看first-degree及second-degree。