is to bring attention to the number of animals and places that have either disappeared or will disappear in our lifetime.

VOA: special.2009.05.06

What's happening there? Well, the selection of reactants has been done judiciously to provide either heat or to provide something that's cool.

就会感到这东西，比如说变冷了，对吧？,这里发生了什么？这些反应物都是,被仔细的选出来的，能够提供热量或制冷。

麻省理工公开课 - 热力学与动力学课程节选

In Golden Gate Park, I'll cross it to either go home or to the other side of the city.

在金门公园里，我会骑车穿过它，要么回家，要么去城市的另一端。

是市民的朋友 - SpeakingMax英语口语达人

A better idea is to harvest foods either early or late in the day, then leave them to cool naturally.

VOA: special.2009.11.30

Yeats is, in fact, a far less nostalgic thinker than either Eliot or Pound, at least as I understand them.

其实叶芝不如,艾略特或庞德那么怀旧，至少我是这么理解的。

耶鲁公开课 - 现代诗歌课程节选

Other kinds of clerical work that is either being outsourced or is being replaced by technology that does it efficiently.

VOA: special.2010.11.22

And depending on the mood I'm in, I either congratulate them, or I say ah, you screwed up, huh? Then you had to fix it.

看起来他们挺为这事儿自豪的，我的回应得看我的情绪怎么样了，我可能会庆祝他们或者说，啊，你搞砸了。

麻省理工公开课 - 计算机科学及编程导论课程节选

This has led to greater use of monovalent vaccines to protect against either type one or type three polio.

VOA: special.2010.01.18

Adiabatic can be either reversible or not, and we're going to do that probably next time or two times.

绝热过程可以是可逆的，也可以不是，我们可能会在下一次或下下次课上,研究这个问题。

麻省理工公开课 - 热力学与动力学课程节选

Anti-slavery settlers in Kansas felt they could not get fair treatment from either the president or the new governor.

VOA: special.2009.05.07

So specifically, what we do associate them instead is within molecular orbitals, and what we say is that they can be either in bonding or anti-bonding orbitals.

特别的，我们把它们和,分子轨道相联系起来，我们说它们可以成为,成键轨道或者反键轨道。

麻省理工公开课 - 化学原理课程节选

Some canopies have narrow strips of metal or wood to provide either sunlight or shade, depending on the position of the sun.

VOA: special.2011.08.09

Both of them are self-contained courses, so you could take either 251 or 252, or you could take both.

两门课都自成一体,你可以在251号和252号中任选一个,或者都选也行

耶鲁公开课 - 金融市场课程节选

"Those who say we are scrapping missile defense in Europe are either misinformed or misrepresenting the reality of what we are doing."

VOA: special.2009.09.19

What should we open course do to either encourage or facilitate local adaptations of materials.

我们应该怎么做,才能使这些材料适用于那些地方。

麻省理工公开课 - 媒体、教育、市场课程节选

" I have no purpose," he said, "either directly or indirectly, to interfere with slavery where it exists.

VOA: special.2009.06.11

Strange to say, too, that night we crossed the ferry with Bull Lee a girl committed suicide off the deck either just before or just after us. We saw it in the paper the next day.

还有件很奇怪的事儿，我们和布尔·李渡过渡口的那天晚上,一个姑娘从船上跳水自杀了，大概不是在我们渡河之前,就是以后，第二天我们从报纸上看到了这个消息。

耶鲁公开课 - 1945年后的美国小说课程节选

An exception is when a jury is asked to recommend either execution or life in prison in murder cases punishable by death.

VOA: special.2009.08.31

I want you to check in with either Hillary or Lori There is a lecture now Monday, Wednesday and Friday at 11:00.

我希望你们和Hillary或Lori确认,上课时间是周一，周三和周五的11点。

麻省理工公开课 - 固态化学导论课程节选

Scientists are also working on other plants that either use less water or use it better, or both.

VOA: special.2009.01.20

Its direct relationship with the thing that's most closely adjacent to it somehow either through similarity or dissimilarity can never be a relationship of identity.

符号和实物之间的关系,即使是最接近的事物,是通过相似处和不同处建立的,但是这不是一种永恒的关系。

耶鲁公开课 - 文学理论导论课程节选

One group took Polycap. The other groups took either a single drug or different combinations of the medicines in the Polycap pill.

VOA: special.2009.04.08

This pluripotent stem cell is able to self-renew and it's able - generating committed progenitors of either the myeloid or the lymphoid lineage.

这种多能干细胞能自我更新,也可以生成定向祖细胞,可以是髓系祖细胞或者淋巴祖细胞

耶鲁公开课 - 生物医学工程探索课程节选

Only two areas did not have an overfishing problem in either the new study or the earlier one.

VOA: special.2009.09.08

All states, all dominions that have held and do hold empire over man " are either republics or principalities," he says in the opening sentence of chapter 1.

所有国家，所有领地,只要是曾或正让君权凌驾人民之上,要不是共和就是君权“,他在第一章的开头即如是说到。

耶鲁公开课 - 政治哲学导论课程节选

It says there is not enough evidence to decide about either digital mammography or magnetic resonance imaging instead of traditional film mammography.

VOA: special.2009.11.18

Think of an interesting testable idea about either dreams or laughter.

想出一个可测试的有趣想法,关于梦境也行，关于笑也行。

耶鲁公开课 - 心理学导论课程节选

An estimated seventeen percent of the labor force either lacks a job or is not working enough to pay all the bills.

VOA: special.2009.12.18

Now we learn, of course, by the second half of this line ; that it has to be the uncouth swain who rose and twitched his mantle blue; but for a moment the "he" in line 192 seems to be able to refer to either the poet or the sun.

现在我们要学习这句话的第二部分,这里的太阳指代的是那个年轻人;,但是某一刻，在192行的“他“,似乎指的是诗人自己亦或是太阳本身。

耶鲁公开课 - 弥尔顿课程节选

And what struck me most about conversations that I had, either in Leverett or other houses, were students is their sense of mission,your sense of mission, your desire to do good, to make the world a better place.

在与学生的交谈中，让我印象最深的是，无论是在莱弗里特宿舍或其他地方，学生们的使命感，你们的使命感，你们对成功的渴望，让世界变得更美好的愿望。

哈佛公开课 - 幸福课课程节选