昨天句子的解析：

　　In studies with animals, exercise, in the form of running wheels or treadmills, has been found to double or even triple the number of new neurons that appear

　　afterward in the animals’ hippocampus, a key area of the brain for learning and

　　memory, compared to the brains of animals that remain sedentary. Scientists

　　believe that exercise has similar impacts on the human hippocampus.

　　词汇突破：1.treadmill 跑步机

　　2.Triple 三倍

　　3.Neurons 神经元细胞

　　4. sedentary 静止

　　第一句

　　主干识别：exercise has been found to double or even triple the number of new neurons

　　切分成分：In studies with animals, 状语

　　In studies with animals, 定语修饰exercise

　　that appear afterward in the animals’ hippocampus, 定语修饰new neurons

　　a key area of the brain for learning and memory, （hippocampus 的同位语）

　　compared to the brains of animals that remain sedentary. 比较状语

　　独立成句；（翻译的时候是否独立成句是由长度决定的；

　　阅读时尽量的独立成句，这样会让你的理解更加精确！）

　　同位语独立成句：

　　Hippocampus is a key area of the brain for learning and memory.

　　海马正是学习和记忆的关键脑区

　　参考译文：在动物研究中，锻炼，比如在跑轮或跑步机上慢跑后，动物海马新生神经元的数量可达不运动动物的两倍甚至三倍，而海马正是学习和记忆的关键脑区。

　　第二句：

　　Scientists believe that exercise has similar impacts on the human hippocampus.

　　科学家认为，运动对人体海马也会产生类似的影响。

　　今天的任务：

　　Apart from the fact that twenty-seven acts of Parliament govern the terms of advertising, no regular advertiser dare promote a product that fails to live up to the promise of his advertisements.