A previous study by Clayton's lab had shown that, as a young finch first learns how to sing, hundreds of genes in its brain quickly respond, producing more or less protein.

VOA: standard.2010.04.05

Speed of response, right, so I actually do tend to respond to some people's emails more quickly than others and that in fact might be a useful indicator.

回复的速度，是的，我可能对某些人的邮件,回复的速度更快一些,而事实上它可能是个有益的暗示。

哈佛公开课 - 计算机科学课程节选

Memory cells are long lasting cells that remember this exposure and can respond very quickly on second exposure.

记忆细胞可以长时间记忆与抗原的接触,并在再次免疫中迅速做出应答

耶鲁公开课 - 生物医学工程探索课程节选

The company then sends the workers a text or e-mail message so they can respond quickly to an offer.

VOA: special.2009.02.02

The victims are pulled out of rubble. Medical personnel act quickly to respond to injuries and save lives.

VOA: standard.2010.07.26

But the remaining five other patients did not respond as quickly to the insulin infusion and developed low blood sugar because the computer continued to administer medication.

VOA: standard.2010.04.15