opening of copulatory bursa
/ˌɒn ˈslaʃ ˈpleɪ ˈbʌtən/
n
English · opening of copulatory bursa中文 · 交配囊孔Español · orificio de la bolsa copuladoraFrançais · orifice de la bourse copulatrice
意味：Opening allowing copulation by the male butterfly and entry of sperm into the copulatory bursa.