I put Helen's hand under the cool water and formed the word w-a-t-e-r in her other hand.

VOA: special.2009.11.08

But kids, according to Piaget,don't know that and this is one of the real cool demonstrations.

但皮亚杰认为儿童并不知道会这样,这个概念是非常精彩的证据之一

耶鲁公开课 - 心理学导论课程节选

Chris Wojciechowski is really cool." is a professional golfer, but he doesn't play the game with balls and clubs.

VOA: standard.2010.08.03

"On the Internet, the other side is trying to exploit people's feelings, and they give them instructions on how to do wrong things and we have to give (them) tools and manuals also on how to stay cool and level-headed and stay reasoned and don't get yourself and others in trouble,".

VOA: standard.2009.12.20