And I haven't offered it in quite a while now, so I doubt you ever studied that period on the college level.
我已经很久没教过这门课了，所以我怀疑你在大学阶段可能没有学过关于那个时期的内容。
The material typically used for the pages was parchment, which is animal skin that's stretched and dried under tension, so it become s really flat and can be written on.
书页通常使用的材料是羊皮纸，羊皮纸是一种动物的皮肤，其在张力的作用下被拉伸和变干，因此它会变得非常平整，并且你可以在上面写字。
It was written in 1962 and we are supposed to write about its influence on American theatre and show why it's been so important.
它写于1962年，我们应该写它对美国戏剧的影响，并表明它为什么一直如此重要。
These just fade out on shallow beaches, so the whale doesn't hear an echo and it crashes onto the shore.
这些声音在浅滩上逐渐消失，所以鲸鱼没有听到回声，就撞到了岸边。
Its control center is based in the forebrain, and it regulates breathing for use in speech, singing, sighing, and so on.
它的控制中心在前脑，而且它管理说话、唱歌、叹气等行为下的呼吸活动。
So uproariously gay was the dance, and how they buffeted each other on the bed and out of it!
舞蹈是多么有趣快乐啊，他们在床上和床外互相打闹得多么厉害啊！
Let's swivel it around for just a moment, so we have a blank slate and now what's really going on?
让我们把它转一下，这样我们就有了一块空白，现在到底发生了什么?
This method tells you all information you need to know: whether one node is descendant of an ancestor of the other, whether it is before or after, and so on.
这个方法告诉您所有想知道的信息：一个节点是否是另一个节点的祖先的后代，它是在前面还是后面呢，等等。
So sediment is transported and then deposited and it forms layers on the Earth's surface over time.
所以沉积物被运输，然后沉积，随着时间的推移，它在地球表面形成了层。
We would say that this whole area over which it migrates is its habitat because on this long-distance journey, it needs to come down to feed and sleep every so often, right?
我们会认为它迁徙的整个区域就是它的栖息地，因为在长途旅行中，它需要经常下来进食和睡觉，对吧？
That's why exercise is considered so vital that National Aeronautics and Space Administration (NASA) puts it right on the workday schedule.
这就是为什么日常锻炼是如此重要，以至于美国国家航空航天局将其列入工作日程表中。
It means we should understand that what Ryan and so many Americans fought and died for is not a place on a map or a certain kind of people.
它意味着我们要认识到瑞恩和许多美国人并不是为了地图上的一个地点或者某一类人而战斗和牺牲的。
I hear news about China on television and read about it in print media, so I know of the rapid development of China in recent decades.
我在电视上听关于中国的消息，在纸媒上读关于中国的新闻，所以我知道中国在近几十年的快速发展。
For they thought it tasted so delicate--lived on dock-leaves, and therefore burdock seeds were sown.
因为他们觉得它吃起来很可口——它们是靠牛蒡的叶子活着的，因此才种植牛蒡。
We use it to keep pencils, rulers, erasers and so on.
我们用它保存铅笔、尺子、橡皮等。
The streets were hot and dusty on the summer day, and the sun was so bright that it even shone through the haze over Coketown, and could not be looked at steadily.
夏天的街道又热又满是灰尘，太阳是那么明亮，它甚至穿透了焦化镇上空的阴霾，使人们不能稳定地看到它。
When a tree first starts growing in a certain area, it's likely that the climatic envelope—the temperature, humidity, rainfall patterns and so on—suits it.
当一棵树开始在某个地区生长时，很可能是气候环境，如温度、湿度、降雨模式等适合它。
As you read this, you are likely aware of what time it is, how old you are, your checking account balance, your weight, and so on.
当你读到这篇文章的时候，你可能会意识到现在的时间，你的年龄，你的支票账户余额，以及你的体重等等。
The new release will be a LTS release, so it will likely be more conservative than other releases and consolidate on the many changes over the past year.
这个新发行将是一个长期支持发行，所以，它将可能比其他发行更加保守，巩固过去一年的许多变化。
Others, however, have adopted the philosophy that it is best to use the water while it is still economically profitable to do so and to concentrate on high-value crops such as cotton.
然而，另一些人则采纳了这样一种理念，即最好是在仍然有利可图之时利用水，并集中用在棉花等高价值作物上。
She injured her spine in a fall and a doctor told her to lie flat on her back for a month so it can mend.
她摔伤了脊椎，医生让她平躺一个月以便恢复。
The new year is around the corner, so it is time for me to look back on the past days and make plans to improve myself.
新的一年即将来临，现在是我回顾过去的日子并制定计划、不断进步的时候了。
It can be formed into park benches, playgrounds and so on.
它可以形成公园的长椅，操场等等。
It has all kinds of styles such as children's bicycles, field bicycles, racing bicycle and so on.
它有各种各样的款式，如儿童自行车、野地自行车、赛车等。
What's more, while playing, it encourages players to try their beat with words like "Good job!", "Come on!" and so on.
更重要的是，在玩的时候，它用“干得好”、“加油”等词语鼓励玩家去尝试他们的节拍。
He saw the moon shine so brightly on the snow and it made the night brighter.
他看到月亮在雪地上照得那么亮，它让夜晚更明亮了。
If there was a big world ball game on the radio, we would drop everything and he would put the game on so we could all enjoy it.
如果广播里有一场大型的世界球赛，我们就会放下一切，他就会播放比赛，这样我们就都能观看比赛了。
We use it to store files—pictures, language (words, texts, sounds) and so on.
我们用它来存储文件——如图片、语言（单词、文本、声音）等等。
"So you had better make it a round twenty years and be on the safe side," concluded the Clerk.
“所以你最好凑个整数，二十年吧，这样比较保险。”书记员总结道。
"I saw it crawl up the wall bit by bit. It did not stop, but went on and on. And I thought I could do the same. So I recited it bit by bit, and did not give up," said Tom.
“我看到它一点一点地爬上墙，它没有停下来，而是继续前进。我觉得我也能做到。所以我一点一点地背诵，并没有放弃。”汤姆说。
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