gall bladder
noun [ C ] uk/ˈɡɔːl ˌblæd.ər/ us/ˈɡɑːl ˌblæd.ɚ/
胆囊
a small organ in the body, connected to the liver, that stores bile (= a bitter liquid that helps to digest food)
She had an operation to remove a stone from her gall bladder. 她动了一次手术，摘除了胆结石。