noun 下载 🔗分享 苜蓿,三叶草。 Any of several plants of the pea family, having compound, trifoliate leaves; especially one of the genus Trifolium. Examples : "The Girl Scout logo features a trefoil symbolizing the organization's three-part promise. " 女童军的标志上有一个三叶草图案,象征着该组织的三部分承诺。 plant biology nature vegetable 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 三叶饰,三叶形。 A symbol having the shape of such leaves, especially when used as an architectural ornament. Examples : "The school's new building featured a beautiful trefoil design in the archways. " 学校新楼的拱门上采用了漂亮的三叶饰设计。 architecture art building 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 三叶结,单叶结。 A knot formed by joining the two loose ends of a overhand knot to form a knotted loop; the simplest non-trivial knot. Examples : "The child practiced tying a trefoil with the shoelace to make a decorative knot. " 小孩用鞋带练习打三叶结,想编出一个好看的装饰结。 math structure 与AI对话词汇游戏阅读练习