So, it's awkward to have to wait for a cow to get infected before you can vaccinate a population.

在给人们预防接种之前,你只有干等着,直到有一头奶牛感染了病毒才行

耶鲁公开课 - 生物医学工程探索课程节选

you are going up against the most, whole population trying to get the same job even if it's a dishwashing job.

你要和多数人竞争，因为所有人都在努力找工作，哪怕只是个洗碗的工作。

美国的失业情况 - SpeakingMax英语口语达人

When one thinks about changing the health of a population diet has to be considered one of the possible places to intervene.

如果想要改变一群人的健康状况,饮食一定会是着手点之一

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And so this is a substantial change in the interaction of a microorganism with a population, right?

所以这是微生物和人类,之间关系的一个巨大改变,对吧

耶鲁公开课 - 生物医学工程探索课程节选

We can define it in a couple of different ways depending on whether we're talking about sample mean or population mean.

我们有几种不同的方式去定义这个概念,取决于我们指的是,样本均值还是总体均值

耶鲁公开课 - 金融市场课程节选

It's an invention of a barbarous age which a blind and ignorant population will accept only to its own vexation, hindrance, and constraint.

它是只有蛮荒时代愚昧无知的人们才会接受,以自寻烦恼，阻碍，和限制的。

耶鲁公开课 - 弥尔顿课程节选

I want to have the population at a number no greater than 20.

我希望人数是,不要超过20人。

麻省理工公开课 - 固态化学导论课程节选

In Alexandria, the local Egyptian population resented the Jews because they were recognized as a legal ethnicity in Alexandria, and they weren't given complete privileges of the Greeks in-- Alexandria was a Greek city.

比如在亚历山大港，当地埃及人仇视犹太人,因为他们在当地是合法少数民族，而埃及人却没有任何希腊特权。。。,亚历山大港是希腊式城市。

耶鲁公开课 - 新约课程节选

And this is a conservative response to the mobilization of French workers, and this says the working class population won't at all listen to bad advice.

这是对于,法国工人运动的一个保守回应,这意思是,工人阶级,不会听从不合理的建议

耶鲁公开课 - 1871年后的法国课程节选

All tended to have a high slave-to-free ratio of population.

人口中奴隶所占的比例 都是非常高的

耶鲁公开课 - 美国内战与重建课程节选

One, because we have such a diverse population in San Francisco,

首先，因为在旧金山有来自各个种族的人，

旧金山的公立教育 - SpeakingMax英语口语达人

Now, the reason this condition always holds in ordinary mechanics is because you're never, in that case, concerned with a huge statistical population of particles where the disorder among them is an issue.

这个条件在力学中总是成立,这是因为在力学中,我们从来没有关注过大量粒子的统计行为，而对这些系统来说,无序是很重要的。

麻省理工公开课 - 热力学与动力学课程节选

We live in a world in which almost 50% of the population is under 35.

我们生活在这样一个世界,几乎50%的人口的年龄不到35岁。

普林斯顿公开课 - 人性课程节选

Northern Italy has a large percentage of the population who are middle class.

意大利北部有很大比例的中产阶级

耶鲁公开课 - 欧洲文明课程节选

Either there will be nobody there or more likely there will be not a very big population, and it's not very tough, and they could be easily brushed aside.

所以要么那个地方没有人烟,要么就是人口稀少的部落,并不是很顽强,很容易就能被军队驱逐

耶鲁公开课 - 古希腊历史简介课程节选

I know that some felt the pace of the arguments was a little slow, but I felt that this was generally necessary, not only for the unphilosophy-savvy population, but also to cover all points."

我知道有人认为论证过程有点慢，但我感觉这样做总体上讲是有必要的，不只是为了不懂哲学的同学们，也是为了能覆盖所有推理内容“

耶鲁公开课 - 死亡课程节选