After such an experience an animal often remains passive even when it can effect change—a state they called learned helplessness.

有过这样的经历后，即使是在能够带来改变的情况下，动物也常常保持被动——这种状态被他们称为习得性无助。

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They eventually learned that the painting they owned was called "The Girl with Two Chairs."

他们最终得知，他们拥有的这幅画叫做《女孩和两把椅子》。

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He called the paper and learned I'd left the area, so he wrote to my home address.

他给报社打了电话，得知我已经离开了当地。于是他马上给我家写信。

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As a child,Benjamin, or Benny as his friends called him, learned to play the violin.

VOA: special.2009.10.11

But no matter, I spent a year in graduate school doing forensic research and working for the local Middlesex DA's office where I learned how to make a so-called forensic image of a digital camera's media card.

不过没关系，我在研究生院花了一年做法庭研究,并在那儿的Middlesex，DA的办公室工作,在那里,我学会了用数码相机的媒介卡,制作鉴识影像。

哈佛公开课 - 计算机科学课程节选

Reporter Caty Weaver learned Gibberish and another secret language, called Ibeese,in middle school.

VOA: special.2009.12.04

Like all the women of her family, Aunt Cayita, as she is now called, learned the art of loom weaving.

FORBES: Connect

The terms of the dispute will probably be determined by a government-backed inquiry into the war's end, called the Lessons Learned and Reconciliation Commission (LLRC).

ECONOMIST: Sri Lanka and the UN: Unslayable ghosts | The

Now when I looked in the database I saw this account was created 3 hours before my wife was called and we learned of the hack.

FORBES: Online Dating Site PlentyofFish Hacked (And Why Reporters Friending Sources on Facebook Can Be a Bad Thing)