He studied the characteristics of pea plants.

VOA: special.2010.03.23

Suppose that Darth Vader uses the force, the dark side--the force of course, Darth Vader uses the dark side of the force to destroy, to turn into pea soup Luke Skywalker's brain.

假设达斯·维特使用特别手段，使用厉害的手段，他损坏的是,卢克·天行者的大脑,把卢克变成了个废物。

耶鲁公开课 - 死亡课程节选

He adds that scientists are working with investigators around the world to leverage the investment that went into the soybean for cowpea,chick pea,pigeon pea and other beans.

VOA: standard.2010.02.01