bel·la·don·na
noun/ˌbeləˈdɒnə/
/ˌbeləˈdɑːnə/
[uncountable]- (also deadly nightshade)a very poisonous plant with purple flowers and black berries
颠茄（有毒，开紫花，结黑色浆果） - a poisonous drug made from deadly nightshade
颠茄制剂
Word Originmid 18th cent.: from modern Latin, from Italian bella donna ‘fair lady’, perhaps from the use of its juice to add brilliance to the eyes by dilating the pupils.