单词：groynes
(groyne 的复数) n. 丁坝, 防波堤
vt. 筑造防波堤
vt. 筑造防波堤
plural of groyne
n a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
n a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away