The year is appel leap year if there are 13 months in the year. 如果某一年有13个月,这一年就叫做闰年。
Appel, John G.Ratcliffe, and Paul E.Schupp, editors. 题名/责任者: Contributions to group theory / Kenneth I.
Secondhand room privately owned house appears on the market trade appellative and secondhand room. 二手房私房上市交易通称二手房。
The address forms in appellative system are of metasemiotic features just like the primitives in an axiomatic system. 称谓系统中的称谓词如同公理系统中的初始元,在语言系统中充当元符号的角色;