pen·du·lous
adjective/ˈpendʒələs/
/ˈpendʒələs/
(formal)- hanging down loosely and moving from side to side
悬垂摆动的 Oxford Collocations DictionaryPendulous is used with these nouns:- breast
Word Originearly 17th cent.: from Latin pendulus ‘hanging down’ (from pendere ‘hang’) + -ous.