柯林斯詞典International Phonetic Alphabet 1. N a series of signs and letters propagated by the Association Phonétique Internationale for the representation of human speech sounds. It is based on the Roman alphabet but supplemented by modified signs or symbols from other writing systems, and is usually employed in its revised form of 1951 國(guó)際音標(biāo) ( abbr: IPA) 返回 international phonetic alphabet