imperceptible
adj. 感觉不到的; 细微的,逐步的
Something that is imperceptible is so small that it is not noticed or cannot be seen.
Brian's hesitation was almost imperceptible.
布赖恩的犹豫几乎难以察觉。
1. impossible or difficult to perceive by the mind or senses;
The body ordinarily is constantly shedding imperceptible tiny, thin fragments of stratum corneum.
机体经常不断地脱落下细小而薄的角质层碎片,几乎无法察觉.
The difference between the two colors is imperceptible.
这两种颜色之间的差别很难区别.
The slight change in the taste was imperceptible to most people.
这种味道的细微变化对大多数人而言是无法觉察的.
He gave an almost imperceptible nod.
他略一点头,别人几乎无法察觉.
His head moved in an almost imperceptible nod.
他点头的动作微小得几乎看不出来.