adv.主要地

The company's principal activity is manufacturing high-tech electronics.
公司的主要业务是制造高科技电子产品。
He is principally responsible for the project's success.
他主要负责项目的成功。
She is a principled person, always standing up for what she believes in.
她是个有原则的人，始终坚持自己的信念。
The principle of fairness is deeply ingrained in our society.
公平原则深深植根于我们的社会。
His principal occupation is teaching mathematics at a university.
他的主要职业是在大学教数学。
The principal character in the novel is a detective solving a complex crime.
小说的主角是一位解决复杂案件的侦探。
The principal concern of parents is their children's safety and education.
父母最关心的是孩子的安全和教育。
The company's principal source of income is from its software sales.
公司的主要收入来源是软件销售。
The principal reason for the delay was a shortage of materials.
延误的主要原因是材料短缺。
In his lecture, he emphasized the principal causes of climate change.
在讲座中，他强调了气候变化的主要原因。