marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
European goose smaller than the brant; breeds in the far north
造句
用作名詞(n.)
Adult barnacles commonly are hermaphrodites. 藤壺多雌雄同體。
He wrote seminal books on orchids, insects, barnacles and corals. 他寫了不少對以后發展有很大影響的書，關于蘭花的，昆蟲的，藤壺的以及珊瑚的。