Frank experienced for himself the discrimination that was present in his picture of New Orleans.

VOA: special.2009.03.23

So, some of these cases were probably due to polio that was transmitted by incompletely killed virus that was present in the vaccine.

因此,那些病例的发病的原因,是被那些疫苗中携带的,没有被完全杀死的病毒感染

耶鲁公开课 - 生物医学工程探索课程节选

At the core of it is a belief in progress, something that was essentially not present among the Greeks.

其核心就是对于进步的信仰,实质上说这在希腊文化中是不存在的

耶鲁公开课 - 古希腊历史简介课程节选

But the writers of the report knew that the number of monocytes in the blood stream was too low to explain the millions of them present after an injury to the heart.

VOA: special.2009.08.25

Here the unique thing was that there's a restriction site inside that is present in normal DNA and not present in sickle DNA.

刚才例子中,特性就是在正常的基因中,有酶切位点,而在患者的基因中却没有

耶鲁公开课 - 生物医学工程探索课程节选

Everything that we had thought that Milton was telling us in the lyric present -- telling us directly, now -- suddenly gets shoved back into the narrative past: "thus sang the uncouth swain." The past tense is important there.

我们想过的弥尔顿在这首抒情诗里,直接告诉我们的所有事，现在，都突然在过去的旁白中一涌而现了：,“吟唱着粗鄙的青年人“，这里的过去时态很重要。

耶鲁公开课 - 弥尔顿课程节选

But-- as my team was in the Michigan State game last Saturday, with me present, a very sad person you're looking at-- he was blown out, and on September 4th, 1870, there is yet another insurrection in Paris.

但是...,就像我们组上周六去参加密歇根州运会那样,就是因为有我这样的队员,有我这样的衰人参加...,他被打得满地找牙,在一八七零年九月四日,巴黎发生了另一场起义

耶鲁公开课 - 1871年后的法国课程节选