红联英语单词
obligational
obligational什么意思,obligational翻译
例句
In 1998, England legislated the form, listed the information technology as obligational course in elementary and middle schools;
1998年，英国以立法的形式，把中小学信息课列为必修课；
In 1998, England legislated the form, listed the information technology as obligational course in elementary and middle schools;
1998年，英国以立法的形式，把中小学信息课列为必修课；