Alright, so last time we started talking about more complicated mixtures.
好的，我们上次讨论了,更复杂的混合。
So last summer, I fired up my favorite text editor and decided to do just that.
所以在上个夏天，我启动了最喜欢的文本编辑器并决定开始动手。
So last year, a team of scientists at the National Institutes of Health took a closer look.
因此去年，国家健康协会(the National Institutesof Health)的科学家展开进一步的研究。
So last time we were starting more complicated mechanisms and we looked at series reactions.
上一次我们开始讲述，更加复杂的机理，还看了串联反应。
So last time you learned about the ideal solution limits with Henry's law and Raoult's law.
上节课我们学习了，理想溶液极限下，的亨利定律和拉乌尔定律。
And so last year they decided to try something else, using bacteria to encode their secrets.
也就是去年在他们决定尝试点别的东西的时候，选中了使用细菌来完成加密。
I'm starting this polyphasic sleep schedule today, so last night was my last night of "normal" sleep for a while.
今天，正式实施多相睡眠，所以昨晚是我正常睡眠的最后一个晚上。
So last time, then, you saw how from the canonical partition function, you could get something like the energy.
上节课我们看到了如何,从正则配分函数导出，内能等量。
In Buffalo, 26 percent of eighth-grade students met the state's standards in math, although 58 percent did so last year.
在水牛区，虽然去年有58%的过关率，可今年只有26%的八年级学生在数学上达到了州平均水平。
So last week Republicans in South Carolina announced that they would move their contest from February 2nd to January 19th.
为此，南卡罗莱纳州的共和党人上周宣布，原定于2月2日的角逐将提前至1月19日。
So last month Swoopo began letting failed bidders purchase the item they wanted at a discount equivalent to the amount they spent bidding.
因此上个月，Swoopo开始让流标者打折购买其想要的物品，折扣价相当于其在竞标上花的钱。
So last Wednesday, Trey came home and read a book — but said he was looking forward to the weekend, when he could play his favorite video game.
所以上周三，Trey回家阅读一本书，但他说期待周末能玩他喜欢的视频游戏的时间。
"For me, Microsoft is so last century. They are not the problem," Varney said at a June 19 panel discussion sponsored by the American Antitrust Institute.
“我认为，微软早已是上个世纪的事情，他们不是问题的关键所在，”Varney在去年6月由美国反垄断协会主办的一个小组讨论会上说。
OK, so last time we saw how to use Lagrange multipliers to find the minimum or maximum of a function of several variables when the variables are not independent.
上次我们看了，怎样利用拉格朗日算子，去求解一个受约束的，多变量函数的最大最小值。
Just as those problems, exposed by Upton Sinclair in "The Jungle", led to an overhaul of food regulation in America, so last year's contamination scare led to a crackdown in China.
UptonSinclair在TheJungle一书中也揭露了类似的问题，引发了美国的食品管理大检查，去年的食品污染事件也导致了中国的打击此类行为的行动。
I used my last Breathe Right nasal strip in Denver last weekend, so I bought more today because I had a coupon.
上个周末我在丹佛用了最后一次右呼吸鼻带，所以今天我买了更多，因为我有很多的优惠券。
He had always looked so young, but he seemed to have aged in the last few months.
他曾一直显得很年轻，但是在过去的几个月里他似乎显得老了。
In his last few days the pain seemed to have stopped, but by then he was so far gone that it was no longer any comfort.
在他最后的几天里疼痛似乎已经停止，但那时他已病入膏肓，这已不再是什么安慰了。
Their defence, so strong last season, has now conceded 12 goals in six games.
上个赛季他们的防守队员很强，但现在已经在六场比赛中丢失了12个球。
Dummling begged so long that at last he said: "Just go then, you will get wiser by hurting yourself."
小傻瓜苦苦哀求了很久，最后他只好说：“去吧，伤到自己以后，你会变聪明点的。”
It so happened that the cellist graduated last year.
碰巧这位大提琴手去年毕业了。
I must say I've been doing a lot of sitting around and chatting over the last week or so.
我得说，在过去的一周左右的时间里，我无所事事，到处闲聊。
In the last five years or so, there has been an explosion of green claims and environmental claims.
在过去五年左右的时间里，声称绿色环保的宣传激增。
With the social changes of the last ten years or so, many people can't afford to buy bigger houses.
随着过去十年左右的社会变迁，许多人买不起更大的房子。
In the last five years or so, when someone says, "Should I attempt to get an MBA," the answer a lot more is: It depends.
在过去五年左右的时间里，当有人问“我是否应该尝试获得工商管理学硕士学位”时，答案更多的是：视情况而定。
As he neared the door with his small friend, a rough voice said, "So, thou'rt come at last!"
当他和他的小朋友走近门口时，一个粗哑的声音说：“所以，你终于还是来了！”
I'm terribly sorry to tell you that it's careless of me to lose the book you were so kind to lend me last week.
非常抱歉地告诉你，我太粗心了，丢了你上周好心借给我的那本书。
I've been feeling ill since last week, so I am sorry that I can't go to your party.
我从上周开始就感觉不适，所以很抱歉我不能参加你的聚会。
I've been feeling ill since last week, so I am sorry that I can't go to your party.
我从上周开始就感觉不适，所以很抱歉我不能参加你的聚会。
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