n.伟哥（一种壮阳药）

He decided to try Viagra for the first time.
他决定第一次尝试服用伟哥。
Viagra is used to treat erectile dysfunction.
伟哥用于治疗勃起功能障碍。
She discreetly purchased some Viagra for her partner.
她悄悄地为她的伴侣买了一些伟哥。
The doctor prescribed him a low dose of Viagra.
医生给他开了低剂量的伟哥。
Taking too much Viagra can be dangerous.
过量服用伟哥可能会有危险。
He experienced side effects after taking Viagra.
他服用了伟哥后出现了副作用。
Viagra should not be taken with certain medications.
伟哥不能与某些药物一起服用。
His confidence increased after starting to use Viagra.
自从开始使用伟哥后，他的自信心增强了。
The popularity of Viagra has grown significantly over the years.
多年来，伟哥的受欢迎程度显著增长。
Some athletes have been caught using Viagra as a performance enhancer.
有些运动员被发现使用伟哥作为提高成绩的手段。