He felt a surge of pure adrenaline as he won the race.是什么意思？

He felt a surge of pure adrenaline as he won the race.

他赢得比赛时感到一阵激动.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

felt

n. 毛毡；v. 摸索( feel的过去式和过去分词 )，触，深感，以为；

例句
She felt as if his words had granted her absolution.
她感觉他的那番话好似给她下了道赦令。

surge

n. 汹涌，激增，大量，奔涌向前；v. 汹涌，使强烈地感到，激增，飞涨；

例句
In that moment a surge of hatred flowed through my blood...
那一刻，一股仇恨在我的血液中翻涌。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

pure

adj. 纯的，单纯的，纯真的，干净的；prep. 清晰的，纯正的；

例句
'Aromatherapy oils' are not pure essential oils but dilutions.
“香薰精油”并非纯精油，而是经过稀释的。

adrenaline

n. <生化>肾上腺素，<喻>刺激物，激励因素，一阵兴奋（或激动）；

例句
He felt a surge of pure adrenaline as he won the race.
他赢得比赛时感到一阵激动.

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

won

v. 获胜，战胜（ win的过去式和过去分词 ）；

例句
His abrasive manner has won him an unenviable notoriety...
他生硬粗暴的态度让他声名狼藉。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

race

n. 赛跑，竞争，人种，民族；v. 参加比赛，使比赛，快速移动，剧烈跳动；

例句
I am very critical of the adequacy of Britain's race laws...
我对英国种族法律的适当性颇有微词。