The expression was first used in the southern part of the United States to describe the use of force to win an election.

VOA: special.2009.02.15

The first force for evil is deindividuation of self.

使人变坏的第一股力量是“去个性化”

耶鲁公开课 - 心理学导论课程节选

Because the first force was behaviorism.

因为第一势力是行为主义。

哈佛公开课 - 幸福课课程节选

"First,to put down the southern rebellion by force of arms.

VOA: special.2009.10.29

First, we got to make sure the spring exerts a fixed force every time.

首先,要保证,弹簧每次产生的力是恒定的

耶鲁公开课 - 基础物理课程节选

In his first days in office, he signed an order to do so, and appointed a task force to look into details.

VOA: standard.2009.05.20

This was the first force.

这是第一势力。

哈佛公开课 - 幸福课课程节选

The cast also features Don Cheadle as Air Force colonel "Rhodey" Rhodes - taking on the role played by Terence Howard in the first film.

VOA: standard.2010.05.19

First one says, if you knew the force acting on any body, without going into what caused the force, then you may set that force equal the mass times acceleration of the body.

第一部分是,如果你知道作用在任一物体上的力,无论这个力的来源是什么,都可以令力等于质量乘以物体的加速度

耶鲁公开课 - 基础物理课程节选

But the U.S.Preventive Services Task Force advised women in their 40s to delay their first mammogram until age 50,and after 50, schedule the x-ray every other year.

VOA: standard.2009.12.25

For example, how do I know that when I pull the spring the first time for the mass, it exerted the same force when I pulled the spring the second time for the elephant?

例如 怎样才能知道,第一次连着物体拉弹簧时,产生的力和,第二次连着大象拉弹簧时产生的力是相等的呢

耶鲁公开课 - 基础物理课程节选

"Helicopters and airplanes came and started first with a show of force.

VOA: standard.2009.09.12

A typical problem that you may have done in your first pass at Newton's law, someone tells you a force of 36 Newtons is acting on a mass of whatever, 4 kilograms; what's the acceleration?

在你们第一次接触牛顿定律时,可能见过这么一道典型题目,告诉你,一个 36 牛的力,作用在一个物体上,4 千克吧,问加速度是多少

耶鲁公开课 - 基础物理课程节选

"There's some change in the mood." "I wouldn't say this is radical. Actually,automobile drivers have been a rather cohesive force in Russia, and this is not the first time this is happening.

VOA: standard.2010.05.19

For the U.N.to keep urging that peace be created first before a U.N.peacekeeping force can be sent continues to deny the Somali people badly-needed international forces to assist in the stabilization of that country,".

VOA: standard.2009.06.26

In addition,the U.S.Air Force conducted its first airdrop of supplies on Monday, north of Port-au-Prince, using an aircraft that flew from the United States and returned there after the drop, easing pressure on the Port-au-Prince airport.

VOA: standard.2010.01.19