Nevertheless, researchers have discovered that a process long known to discolor and toughen foods may also contribute to age related impairment of both cells and tissues.
Therefore, people who have suffered a serious stroke on the left side of the brain without suffering any such impairment must have their language centers in the right half.
因此，那些左脑严重中风却没有任何损伤的人，他们的语言中枢一定在右半脑。
The complications frequently accompanying diabetes, such as impairment of vision and of kidney function, are now thought to result from the lack of continuous control of blood glucose concentrations.
现在认为糖尿病经常伴有的并发症，如视力和肾功能损害，是由于缺乏对血糖浓度的持续控制所致。
Hearing impairment or other auditory function deficit in young children can have a major impact on their development of speech and communication, resulting in a detrimental effect on their ability to learn at school.
