The United States currently has a 70,000 strong force in Afghanistan and is considering sending up to 40,000 more.

VOA: standard.2009.11.13

The force is not quite as strong as it was without this attractive force.

这样墙受到冲力也随之减小,于是实际的。

麻省理工公开课 - 热力学与动力学课程节选

Strong bonds means the material will resist and applied force.

强键意味着,材料能够承受外力。

麻省理工公开课 - 固态化学导论课程节选

We can address the untrained part." Perhaps because of the pay raise, recruitment for the force is strong.

VOA: standard.2010.06.16

He says that these attacks will only become more and more routine unless the government organizes a strong counter-force against its foes.

VOA: standard.2009.12.05

Defense Secretary Robert Gates, saying that it will be at least will be able to pay for a security force strong enough to protect the country from insurgents.

VOA: standard.2009.12.09