Mice were trained to push levers to get either of two rewards. Press one lever, out comes a drop of sugar water.
研究人员训练老鼠去推动控制杆，推动之后能得到两种报酬中的一种——推动第一个控制杆，就会渗出一滴糖水；
In the past decade, scientists have figured out how to push differentiated cells back up the hill and, perhaps even more surprising, directly from one valley to the next.
在过去的几十年里，科学家研究发现了将已分化的细胞推回山顶的方法，更令人惊奇的是，甚至有可能将细胞直接推入另一条峡谷。
On a sonic level, the six-inch down-firing subwoofer and the eight one-inch tweeters push out a crystal clear response to your favorite music, movies, video games and more.
在一个声波水平上，六英寸的座地发射副低音扬声器和八个一英寸的高频扬声器将你喜爱的音乐、电影、视频游戏等表现得淋漓尽致。
应用推荐