extensions的中文意思、音标与词形变化

n. 扩展, 扩张；延长（extension的复数）

n a mutually agreed delay in the date set for the completion of a job or payment of a debt n act of expanding in scope; making more widely available n the spreading of something (a belief or practice) into new regions n an educational opportunity provided by colleges and universities to people who are not enrolled as regular students n act of stretching or straightening out a flexed limb n a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename n the most direct or specific meaning of a word or expression; the class of objects that an expression refers to n the ability to raise the working leg high in the air n amount or degree or range to which something extends n an additional telephone set that is connected to the same telephone line n an addition to the length of something n an addition that extends a main building