Diane Keaton plays Daybreak's co-host, Colleen Peck,a former beauty queen.

VOA: special.2010.12.13

So, you could train a pigeon to peck for food but that's because pecking for food is a very natural response.

你可以训练鸽子啄食,但这只是因为啄食是种自然反应而已。

耶鲁公开课 - 心理学导论课程节选

It's very difficult to train it to peck to escape a situation.

训练鸽子通过叼啄,来脱离某种情境是很困难的。

耶鲁公开课 - 心理学导论课程节选

They included American Edward Peck, a former diplomat who had served as U.S.ambassador to Mauritania.

VOA: standard.2010.06.01