From physics we know that for every action there is an opposite reaction.

从物理中我们知道每个作用力都有它的反作用力。

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We know that for most people their resonant frequency is between 7.5 and 4.5 breaths per minute.

我们知道对大多数人来说，他们的共振频率介于每分钟4.5次至7.5次呼吸之间。

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We know that mammals, dogs for example, dogs vocalize many different sounds.

我们知道像狗这样的哺乳动物会发出很多不同的声音。

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"That was our decision. We regretted it very much, because we know that for many people that was their moment to be at the games."

VOA: standard.2010.02.16

We can plug this in further when we're talking about the visible part of the light spectrum, because we know that for n final equals 2, then that would mean we plug in 2 squared here, so what we get is 1 over 4.

当我们讨论可见光谱的时候,我们可以把这个代进去,因为我们知道n末是等于2的,这意味着我们可以。

麻省理工公开课 - 化学原理课程节选

We feel as we process the world around us that we know things for and as what they are.

我们觉得我们认识的事物,都是事物真实的本质。

耶鲁公开课 - 文学理论导论课程节选

We know that for a long time, the SWUD detractors have said there is nothing to be found in the Ultra Deep.

FORBES: A Little Bit Louder Now, Chevron Starts To Shout About Davy Jones And The Ultra Deep

We know that for projects to be effective and programmes to be effective, they must be owned in the countries and must be of the countries themselves.

BBC: News Online

We know that for these social enterprises the Women Deliver 2013 conference will be just the beginning, and we are excited to see where they take their work moving forward.

FORBES: Making Girls and Women a Priority Today and Every Day