A Review on Factors of Cross-linguistic Influence on Third Language Acquisition in Phonological Aspects: Similarity and Proficiency

Nowadays, researches on third language acquisition is considered a different area separated from second language acquisition. Among the researches, multilingual influences between languages in third language acquisition are the hot topics, many of which focus on the lexicon and syntax aspects. This study aims at discussing the factors influencing third language acquisition in phonological aspects and tries to analyze the limits and future development of research on third language acquisition.