单词学习：coast 地理/名词，动词
coast
/kəʊst/
海岸，海滨；沿海地区；惯性滑行
During the summer vacation, Mr. Gu took his students to explore the rugged coast and study marine life.
暑假期间，顾老师带着他的学生们去探索崎岖的海岸并研究海洋生物。
单词卡片
卡片已就绪
