With the continuous change of the world political and economic pattern, language and cultural exchanges are gradually expanding, and cross-ethnic, cross-regional, and even transnational exchanges are very frequent. At the same time, there are a large number of language learners with multilingual backgrounds. They have already mastered two or more languages, and on this basis, they learn one or several other languages. Second language learners and trilingual learners have similarities and differences in the learning process, and trilingual learners are more complicated than second language learners. Therefore, it is of great significance to review and summarize the research on trilingual acquisition.

Lingmei Zhou. A Review of Trilingual Acquisition Research. Frontiers in Educational Research (2023) Vol. 6, Issue 7: 50-53. https://doi.org/10.25236/FER.2023.060709.

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