trilingual

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++tri·lin·gual /ˌtraɪˈlɪŋɡwəl◂/ adjective  1. SPEAK A LANGUAGEable to speak three languages 会三种语言的2  using three languages 用三种语言的 a trilingual medieval inscription 用三种语言写的一篇中世纪铭文

Examples from the Corpus

trilingual• Varro seems to have stated that in his time Massalia was trilingual, the two foreign languages being of course Latin and Celtic.

tri·lin·gual adjectiveChineseSyllable  

Corpus to languages three able speak

trilingual
tri‧lin‧gual /ˌtraɪˈlɪŋɡwəl◂/ adjective
1. able to speak three languages
2. using three languages:
    a trilingual medieval inscription

tri·lin·gualBrE /ˌtraɪˈlɪŋɡwəl/ 🔊NAmE /ˌtraɪˈlɪŋɡwəl/ 🔊 adjectiveable to speak three languages equally well 会说三种语言的◆He is trilingual in English, Spanish and Danish. 他能讲英语、西班牙语和丹麦语三种语言。🔊🔊using three languages; written in three languages 使用三种语言的；用三种语言写的◆trilingual education三语教育◆a trilingual menu三语菜单