adj. 主要的;重要的;大调的;主修的(课程);
n. 专业;少校;主修课程;专业课;主修学生;大联盟
v. 主修,专攻;
例句:
The country is planning a major overhaul of its highways.
该国正计划对全国公路进行大规模的检修.
Peace and development are two major issues in the world today.
和平与发展是当前世界的两大课题.
The new dam is a major construction project, funded by the government.
新水坝是政府出资建造的一个大工程项目.