teaching assistant
noun [ C ] uk/ˈtiː.tʃɪŋ əˌsɪs.tənt/ us/ˈtiː.tʃɪŋ əˌsɪs.tənt/ (abbreviation TA); (also teaching and learning assistant); (abbreviation TLA)
（英国中小学的）教学助理，课堂助理
(in the United Kingdom) a person who is employed to help a teacher in a classroom, for example giving help to children who need extra support