There are only two internationally recognized certificates in Teaching English as a Foreign Language.国际上承认的英语作为外语教学的证书只有两个。He learned French through immersion.他通过沉浸式外语教学学习法语。I have included you on my mailing list for new EFL software.我已把你列入我要邮寄的新外语教学软件的名单。