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
双语例句
用作名词 (n.)
The barnacle and the clam are two examples of filter feeders. 藤壶和蛤类是滤过觅食者的两种例子。
The shell of a sessile barnacle is attached directly to a substrate. 无柄藤壶的壳是直接附着在底部的。
He clung to his mother like a barnacle. 他形影不离地跟着母亲.
