conchology

n [U] study of shells and shellfish 贝类学; 贝壳学.

conception, conceptive, conceptual, concern, concerned, concernedly, concerning, concert, concert grand, concert-goer, concert-master, concerted, concertina, concerto, concess, concession, concessionaire, concessionary, concessive, conch, conciliate, conciliation, conciliatory, concise, concisely, conciseness, conciseness, concision, concision, conclave, conclude, conclusion, conclusive, conclusively, concoct, concoction, concomitant, concord, concordance, concordant, concordat,