I dread to think what will happen in the case of a major emergency.

我不敢想像万一出现重大紧急情况会怎么样。

《柯林斯英汉双解大词典》

I was a major in the war, you know.

你知道，我在那场战争期间是个少校。

《柯林斯英汉双解大词典》

I want to major in biology because I have long wondered about the origin of life.

我想要主修生物学，因为我一直在思考生命的起源。

youdao

So now, now that we've got all three of the major laws of thermodynamics, what I want to start in on is a discussion of what happens spontaneously.

现在既然我们已经得到了,热力学的三个主要定理，我想现在开始讨论的是,什么过程会自发进行。

麻省理工公开课 - 热力学与动力学课程节选

I was a psychology major in undergrad, and really thought that I wanted to be a counselor.

我本科学习心理学专业，我那时很希望自己将来能够成为一名心理辅导员。

已经成经济学学徒了 - SpeakingMax英语口语达人

We've probably had four major periods in American history of there's one other picture I wanted to put up.

在美国历史上,我们大约经历了四个时期,在我想贴的另一张图片上

耶鲁公开课 - 美国内战与重建课程节选

Professor NASR: I think U.S. intelligence has major gaps in it.

NPR: U.S. Intelligence on Iran Faulted

Ms. WUNMI: One of the major experiences I had was with a label, a major label in South Africa.

NPR: A Song Unites British-Born Africans

But, there are many smaller communities across the country that have advantageous locations or something unique about them (i.e. major university located there, name medical complex located there, significant clean industry in the city, highly educated population base without being a large urban complex) that offer attractive locations for women to look at when starting a business.

FORBES: 4. Minneapolis, MN