四级Contraction of front and side parts—as cells die off—was observed I some subjects in their thirties, but it was still not evident in some sixty- and seventy-year-olds.
在一些三十多岁的受试者身上观察到前部和侧面的收缩——随着细胞的死亡——但在一些六七十岁的人身上仍然不明显。
1989年1月英语四级真题
四级Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age—using the head.
松泽从他的测试中得出结论，对于通常与年龄相关的收缩，有一种简单的治疗方法——使用头部。
1989年1月英语四级真题
四级The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.
研究结果表明，总体而言，农村人的大脑收缩开始得比城镇人早。
1989年1月英语四级真题
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