Esl
abbr. 非母语英语课程（English as a second language）
📖 牛津释义
ESL
abbr
缩写 = (teaching, learning or studying) English as a Second Language 作为第二语言的英语（教学或研究）. Cf 参看 EFL.
🗣️ 情景例句
Mr Wang, I'd like you to meet my brother, Haitian.
王先生，我想请你见见我弟弟，海天。
Ill news never comes too late.
坏消息来得快。
the necessary method of study is to group the relevant material and to take note of all possible variant forms and conditions.
应采取的研究方法是，把有关各方面的材料汇集起来，同时注意任何可能出现的异常情况和条件。