V-T To enhance something means to improve its value, quality, or attractiveness. 提高
The White House is eager to protect and enhance that reputation.
白宫急于保护并提高那声望。
The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.
这种药增加血液里的红细胞数量，将氧气吸收量提高百分之十。
It may get in the way of enhancing one's social status.
它可能会妨碍一个人提高社会地位。
What does Robert Stickgold suggest about enhancing learning?
罗伯特·斯蒂克戈尔德对提高学习能力有什么建议？
Obviously this opens up the possibility of enhancing our understanding of many of those diseases by studying disease models in frogs."
VOA: special.2010.06.29
He opposed admitting players to the Hall of Fame if they had used performance-enhancing drugs.
VOA: special.2011.01.09
On another subject he said he has never taken performance-enhancing drugs.
VOA: special.2010.04.10
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