Bitter. Taste that causes an unpleasant and persistent sensation of acridity in the mouth due, in particular, to certain polyphenols. 苦的:一种引起口腔持久苦感的不适味道,特别由多酚等物质引起。
acridity
[ noun ]
having an acrid smell
<noun.cognition>
extreme bitterness
<noun.attribute> the acridity of alkali
the quality of being sharply disagreeable in language or tone
<noun.attribute>
Acridity \A*crid"i*ty\, Acridness \Ac"rid*ness\n. The quality of being acrid or pungent; irritant bitterness; extreme bitterness; acrimony; as, the acridity of a plant, of a speech.