在生物分类学和语言学中,"genus"与"genera"的用法辨析如下:
1. 数理形态差异
- genus [?d?i?n?s]:单数形式(词源:拉丁语第三变格法中性名词)
- genera [?d?en?r?]:复数形式(遵循拉丁语复数变形规则)
2. 句法功能区分
? 单数用法(genus):
"The genus Homo includes modern humans"(人属包含现代人类)
? 复数用法(genera):
"Botanists recognize over 300 genera in the Rosaceae family"(植物学家确认蔷薇科含300余属)
3. ...(以上内容有节略,please sign in for more)
A class of objects divided into several subordinate species; a class more extensive than a species; a precisely defined and exactly divided class; one of the five predicable conceptions, or sorts of terms.
An assemblage of species, having so many fundamental points of structure in common, that in the judgment of competent scientists, they may receive a common substantive name. A genus is not necessarily the lowest definable group of species, for it may often be divided into several subgenera. In proportion as its definition is exact, it is natural genus; if its definition can not be made clear, it is more or less an artificial genus.
A class of objects divided into several subordinate species; a class more extensive than a species; a precisely defined and exactly divided class; one of the five predicable conceptions, or sorts of terms.
An assemblage of species, having so many fundamental points of structure in common, that in the judgment of competent scientists, they may receive a common substantive name. A genus is not necessarily the lowest definable group of species, for it may often be divided into several subgenera. In proportion as its definition is exact, it is natural genus; if its definition can not be made clear, it is more or less an artificial genus.