cistern

n. (抽水马桶的)贮水池

circumcision, circumference, circumflex, circumlocution, circumlocutory, circumnavigate, circumnavigation, circumscribe, circumscribed, circumscription, circumspect, circumspection, circumspectly, circumstance, circumstantial, circumstantiality, circumstantially, circumvent, circumvention, circus, citation, cite, cite an example, citing, citizen, citizen's arrest, citizenry, citizens' band, citizenship, citric acid, citron, citrous, citrus, city, city desk, city editor, city-state, civet, civic, civic centre,