impair意思是损害;削弱
1、This new study joins a growing body of research indicating that a lack of direct sunlight may reshape the human eye and impair vision. 越来越多的研究表明,缺少与阳光的接触可能会改变眼睛的形状,而损害视力。
2、It does, however, impair brain function over time. His movements were painfully impaired by arthritis. 他行动不便,深受关节炎之苦。但久而久之,饮酒会损害脑功能。
3、Even one drink can impair driving performance. 即使一杯酒也可能影响驾驶操作。
4、There are 1.7 million blind and visually impaired people in Britain.英国有170万失明和视力受损人口。