痛感的英文：
keenly feel

参考例句：

Pain in the ear;otalgia.
耳朵中的痛感;耳痛

It can help ease sunburn pain, itching, and inflammation.
它能有助于缓解晒伤的灼痛感、发痒和发炎。

A usually prolonged and painful contraction or spasm of the vagina.
阴道痉挛指长期的有痛感的阴道收缩或痉挛

redheads may actually have another trait that makes them stand out sensitivity to pain, specialists reported
专家们说，(除去发色以外)红头发的人也许还有一个使他们卓然于群的特征——敏锐的痛感。

keenly是什么意思：
ad. 锋利地,激烈地;敏锐地;热心地

He observes keenly but says very little.
他观察敏锐，却很少发言。

He appreciated keenly the intensity of the strain he had just witnessed.
他深切理解到他刚才看见的紧张程度。

I never knew any one so keenly alive to a joke as the king was
我不知道有谁跟国王一样好听笑话。

This praise and confidence smote dobbin's heart very keenly
这样的夸奖和信赖弄得都宾十分不好意思。

Today's graduates seem keenly aware that the future is bereft of conventional expectations(Bruce Weber)
现在的毕业生似乎敏锐地认识到了未来缺乏旧有的期望(布鲁斯·韦伯)

feel是什么意思：
v. 感觉；认为；有知觉；摸索
n. 感觉，印象

feeling of efficacy
效力感

Has a feeling for language.
对语言有领悟力

You can feel the electricity in the crowd.
你可感到群众的激情。

experience or feel; submit to.
经历或者感觉；使服从。

Savour the feeling of change.
尽情享受改变的滋味。