耳机灵敏度的英文：
ear sensitivity

ear是什么意思：
n. 耳朵；耳状物；听觉；倾听；报头；穗
v. 结穗

Walls have ears
隔墙有耳

This is an ear scoop.
这是扣耳勺。

The belly has no ears
食欲不长耳

laugh (grin) from ear to ear
咧开嘴出声（不出声）笑

Have you ever observed that his ears are pierced for earrings?
你有没有注意到他的两只耳朵穿了戴耳环的孔？

sensitivity是什么意思：
n. 敏感；敏感性；过敏

She is sensitive to criticism.
她对别人的批评很敏感。

The child is sensitive to eggs.
那孩子对鸡蛋过敏。

vibration sensitive receptor
振动感受器 振动感受器

There is lingering sensitivity over the scandal.
丑闻留下的敏感影响迄今仍挥之不去。

The plant is sensitive to sunlight.
植物对阳光很敏感。