noun 下载 🔗分享 磨牙, 臼齿 A back tooth having a broad surface used for grinding one's food. Examples : "Maria chewed the tough steak carefully, using her molars to grind it into smaller pieces. " 玛丽小心地咀嚼着那块难嚼的牛排,用她后面的臼齿(磨牙)把它磨碎。 anatomy organ body medicine physiology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 摩尔浓度, 克分子浓度。 A unit of concentration equal to one mole per litre. Examples : "The solution's molar concentration was 0.5 moles per liter. " 这个溶液的摩尔浓度是每升0.5摩尔。 chemistry amount 与AI对话词汇游戏阅读练习