形容词 (adj.) 感觉不到的;察觉不到的;极其细微的。指某事物因太小、太慢或太微妙而无法被感官或意识所察觉。
/ˌɪm.pɚˈsɛp.tɪ.bəl/
The change in temperature was so imperceptible that no one noticed it.
温度的变化极其细微,以至于没有人察觉到。
Over the years, the imperceptible erosion of the coastline had transformed the landscape into something barely recognizable to those who had known it in their youth.
多年来,海岸线几乎察觉不到的侵蚀已经改变了地貌,让那些年少时熟悉这里的人几乎认不出来了。
该词源自中世纪拉丁语 imperceptibilis,由前缀 in-(表示"不、非")与 perceptibilis(可感知的)组合而成。perceptibilis 又来自拉丁语动词 percipere,意为"抓住、理解、感知",由 **per-**(完全地)和 capere(抓取)构成。该词于15世纪进入英语,用于描述超出感官觉察范围的事物。