adj.不可认识的(不可知的；不可辨别的)
The sea water deep place forms the wave may slow down ship's speed, this process naked eye is very incognizable. 海水深处形成的波浪可放慢船的速度，这一过程肉眼很难觉察到。
incognizable / in5kRgnizEbl/ adj. 难觉察的;难认知的;
incognizable disease 无明病
