At the same time, only two of the eight ancient people who died at an earlier age showed signs of the disease.

VOA: special.2009.12.15

Those two equal signs are saying, is this thing equal to, in value, the thing on the other side?

这两个等号意思是，左边的对象，在值上是不是和另外一边的相等？

麻省理工公开课 - 计算机科学及编程导论课程节选

There are some important signs, I think, especially in the first two books of Paradise Lost of what we can think of as Milton's - it's a literary fantasy, a literary fantasy of forgetfulness.

我认为有一些重要的迹象，尤其是在,《失乐园》的前两册书中,从那里我们可以思考弥尔顿之所想,这是一次对于遗忘的文学幻想。

耶鲁公开课 - 弥尔顿课程节选

Images of Uncle Sam were also used on signs during World Wars One and Two to persuade Americans to join the Army.

VOA: special.2009.09.25

Even though the signs of the enthalpy changed, and the signs of the entropy changed because it's a combination of the two that matters.

即使自由焓的符号发生变化，熵的符号也会发生变化,因为这两部分都起作用。

麻省理工公开课 - 热力学与动力学课程节选

Breathing in two hundred parts per million of carbon monoxide will cause the first signs of poisoning.

VOA: special.2011.01.25

The question was, if you didn't hear, why do I have two equal signs?

这个问题是，如果你没听到问题的话，我为什么要用两个等号呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Experts say even a two percent drop in the body's water supply can cause signs of dehydration.

VOA: special.2010.07.27

Arick first showed signs of the disease when he was about two years old.

VOA: special.2009.07.28

The target pledges by the world's top-two carbon emitters are seen as hopeful signs for progress at Copenhagen, although a final package for global greenhouse gas reduction remains in doubt.

VOA: standard.2009.11.26