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.)
The barnacle and the clam are two examples of filter feeders. 藤壺和蛤類是濾過覓食者的兩種例子。
The shell of a sessile barnacle is attached directly to a substrate. 無柄藤壺的殼是直接附著在底部的。
He clung to his mother like a barnacle. 他形影不離地跟著母親.