the principal

常见例句

Today the principal tools for prospecting the brain are electrical.
儅今探查人腦的主要工具是用電的。
Such risk factors and behaviours can lead to some of the principal causes of death, disease and disability.
這類危險因素和行爲有可能成爲導致某些死亡、疾病和殘疾的主要原因。
This was the principal criterion by which all design decisions were evaluated.
這是主要的標準，所有設計決策都根據這個標準進行了評估。

Many years ago,the principal of the local high school came to him to develop a theater program for the school.
These sources preserve different traditions on the number and the nature of the plagues, as well as the principal actors in the drama: God, Moses, Aaron.
這些素材都保畱了不同的風格,不同瘟疫的數量，內容,關於三個主角，上帝，摩西，主角的描述也不相同。
耶魯公開課 - 舊約導論課程節選
that it could be blown out of proportion and misused by the principal or by third parties.
那麽事態可能會擴大，安樂死的做法會被主要相關人員和第三方濫用。
對於安樂死的看法 - SpeakingMax英語口語達人

So Mom can use the 5% for a luxury cruise, then tap the principal for condo maintenance.
FORBES: Death, Taxes and Dice Rolling
The Securities and Exchange Commission (SEC) is one of the principal culprits in the financial panic of 2008.
FORBES: The Inept Financial Reform Bill
They would be paid the principal plus interest once the land had been carved into plots and sold.
FORBES: Pay Dirt