TESOL
noun [ U ] uk/ˈtiː.sɒl/ us/ˈtiː.sɑːl/
对母语为非英语人士的英语教学（Teaching English to Speakers of Other Languages的缩写）
abbreviation for Teaching English to Speakers of Other Languages; the teaching of English to people whose first language is not English, especially in an English-speaking country
Compare: TEFL