ESL是 English as a Second Language 的简称，即 “英语作为…

esl是针对母语非英语的并把英语作为第二语言的语言学习者的英文课程…

esl英文全称为English as a Second Language，是针对母语非英语…

ESL（English as a Second Language）是一门专门为非英语母语的…

ESL课程，即 English as a Second Language （英语作为第二语…

ESL（English as a Second Language）是一门专门为非英语母语的…

ESL（English as a Second Language）是一门专门为非英语母语的…

ESL（English as a Second Language）是一门专门为非英语母语的…

ESL（English as a Second Language）是一门专门为非英语母语的…

ESL（English as a Second Language）是一门专门为非英语母语的…

ESL（English as a Second Language）是一门专门为非英语母语的…

ESL（English as a Second Language）是一种针对非英语母语者的…

ESL（English as a Second Language）是一门专门为非英语母语的…