You add them all up algebraically, keeping track of their sign, and that's the total force.

你再对这些力做代数加法,注意符号,就求出合力了

耶鲁公开课 - 基础物理课程节选

You know, one famous tactic is--if you have an infantry force coming forward, you send tanks in it to break up the line of the infantry, so that you can defeat the infantry in that way.

最有名的战术是,如果有敌方步兵逼近,你把坦克派过去,破坏他们的步兵阵型,以这种策略对付步兵

耶鲁公开课 - 古希腊历史简介课程节选

Francis Bacon, influenced by Machiavelli, urged human beings to employ their reason to force nature to give up its secrets, to treat nature like a woman, to master nature in order to improve man's material well being.

弗朗西斯·培根受到马基雅弗利的影响,提倡人们运用理性,来让自然原形毕露,像对待女人那样对待自然,去征服自然以提升人类的物质生活

耶鲁公开课 - 古希腊历史简介课程节选