主修专业

to major───到少校

vis major───[保险]不可抗力

Ursa Major───大熊星座

drum major───乐队指挥

ghost car───鬼车

nonmajor───非主要

pipe major───n.风笛乐队队长

vis majors───vis专业

double major───双学位（完成两个科目的主修的必修课）；双主修；双专业

POPs are a major environmental concern due to neurological damage, immune system disorders, cancer and a host of other health problems they cause.───持久性有机污染物造成神经损害、免疫系统紊乱、癌症以及许多其他健康问题，因此是一种严重的环境问题。

in the absence of major new features, Snow Leopard lavishes us with a host of minor ones.───在缺少主要新功能的情况下，雪豹带有微小改动的主机辜负了我们。

Bin Hammam was a major influence in Qatar's surprising victory in winning the right to host the 2022 World Cup finals.───Bin Hammam是卡塔尔意外赢得2022年世界杯决赛主办权的主要影响。

The use of sport to help or lead urban regeneration is often centred on conspicuous facilities designed to host major events.