In eighteen sixty-eight, the American writer James Parton called it "hell with the lid off."

VOA: special.2009.07.13

They're derived from a precursor called triacylglyceride, which is as glycerol molecule with three fatty acid chains dangling off of it.

它们来源于一种叫三酰甘油的前体,由甘油分子上连接了,三个脂肪酸链构成

耶鲁公开课 - 生物医学工程探索课程节选

I chose Bubble Sort on the left Selection Sort on the right and then something called merge sort on the very right hand side and then I started this all off roughly at the same time and what was frankly striking at least to me at the time was, my God it's done.

我在左边选择冒泡排序，在中间选选择排序,在最右边选择归并排序,然后同时将它们启动,在那时，至少我是震惊了,天哪，它已经完成了。

哈佛公开课 - 计算机科学课程节选

The lights will stay off for one hour for an event called Earth Hour.

VOA: special.2010.03.22

One way that you could switch this on and off inside the cell is by taking off this phosphorous, proteins enzymes that do this opposite reaction, the opposite to kinases are called phosphokinases.

一种方法是通过去除磷酸基团,来改变细胞内蛋白的状态,催化添加磷酸基团,此逆反应的蛋白酶,能够催化逆反应的激酶叫做磷酸激酶

耶鲁公开课 - 生物医学工程探索课程节选

Language expert Barry Popick says on his web site that Chicago was called a "windy city" because of the wind that blows off of Lake Michigan.

VOA: special.2010.01.10

Notice in the class definition here, is there, this is the first thing that's got called, and I just called with the value for x and the value for y, and it went off and did something for me.

就在这里，这是第一个被调用的东西，我用x的值和y的值调用了它,然后这个方法继续进行，并为了做了一些操作。

麻省理工公开课 - 计算机科学及编程导论课程节选

He took off his mask and called loudly, "Beatrice! Come help me!"

VOA: special.2009.05.23

But as soon as the most recently called function finishes executing, you have to take that tray off the stack in order to get at the previous function's memory, and once he's done executing, you have to take that one off and then what's left well then main.

但是，一旦新的调用函数结束了执行,你必须从堆中把托盘拿掉,用来获得先前函数的内存，一旦他完成执行，你必须把那一块拿下来,然后剩下的是main函数。

哈佛公开课 - 计算机科学课程节选

This is called "off-label" use of a drug.

VOA: special.2009.09.11

(Speaking) Endeavour blasted off from Florida to the Space Station last week, carrying the cupola, attached to the new module called Tranquility.

VOA: standard.2010.02.18

That agreement also called for 8,000 marines to be moved off Okinawa, to the U.S.territory of Guam.

VOA: standard.2009.11.11

In an off-the-record comment, President Barack Obama called Kanye West a "jackass."

VOA: standard.2009.12.25

The U.S.Moon mission came on July 16,1969, when Armstrong, along with astronauts Buzz Aldrin and Michael Collins, climbed into Apollo 11's command module called Columbia atop a gigantic Saturn V rocket and blasted off.

VOA: standard.2009.07.16