单词学习：beaver 名词
beaver
/ˈbiːvər/
海狸；勤奋工作的人；海狸毛皮
Mr. Gu explained that the beaver is known for its industrious nature and impressive dam-building skills.
顾老师解释说，海狸以其勤奋的天性和令人印象深刻的筑坝技能而闻名。
单词卡片
卡片已就绪
