Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect (智能) and emotion, and determine the human character. 计算机技术帮助研究人员获得人脑前部和侧部的准确体积，这是与人的智能和情绪有关的部分，而且也决定人的性格特点。
Contraction of front and side parts as cells die off was observed in some subjects in their thirties, but it was still not evident in some sixty and seventy-year-olds. 有的人(大脑)前部和侧部的收缩——随着细胞的死亡——在三十多岁时就能被观察到了，但是也有些人直到六七岁依然不明显。
I wasn’t born yesterday.（我又不是三岁小孩。）
I’m mad about Bruce Lee.（我迷死李小龙了。）
It is time the authorities concerned took proper steps to solve the traffic problems. 该是有关当局采取适当的措施来解决交通问题的时候了。
It’s my treat[请客、款待] this time.（这次我请客！）
Its a small world.（世界真小！）
Listening to music enable us to feel relaxed. 听音乐使我们能够感觉轻松。
，英语四级经典句子