noun🔗Share龟，乌龟，龟鳖目。 Any turtle, tortoise etc of the order Testudines."My daughter learned in biology class that Testudines, the order containing turtles and tortoises, have existed for millions of years. "在生物课上，我女儿学到龟鳖目（这个目包含各种龟和乌龟），已经存在数百万年了。animalbiologyorganismnatureChat with AIVocabulary GamePractice Reading
noun🔗Share龟甲阵 A shelter formed by a body of troops by holding their shields or targets close together over their heads."The protesters formed testudines with their riot shields to protect themselves from projectiles thrown by the opposing side. "抗议者们用防暴盾牌组成了龟甲阵，以保护自己免受对方投掷物的袭击。militarywargroupactionChat with AIVocabulary GamePractice Reading
noun🔗Share龟甲，防护棚。 A shelter of similar shape for miners, etc."During the mine collapse, the remaining miners took refuge inside the testudines, hoping the sturdy shelters would protect them from falling debris. "矿井坍塌时，剩下的矿工躲进了龟甲棚里，希望这些坚固的防护棚能保护他们免受坠落碎石的伤害。architecturemilitarystructureChat with AIVocabulary GamePractice Reading
noun🔗Share龟 lyre, 龟壳琴 A kind of lyre; so called in allusion to the lyre of Mercury, fabled to have been made of the shell of a tortoise."The museum's exhibit on ancient musical instruments featured a beautiful testudines, a lyre-shaped instrument crafted from a tortoise shell. "博物馆的古代乐器展品中有一把精美的龟壳琴，也就是testudines，一种用龟壳制成的里拉琴。musicmythologyartChat with AIVocabulary GamePractice Reading
noun🔗Share囊肿，包囊。 An encysted tumour.""After the surgery, the doctor confirmed that the mass removed from my back was indeed a testudines, a type of encysted tumor." "手术后，医生确认从我背上取出的肿块确实是一个囊肿，也就是一种包囊状肿瘤。medicinebodydiseaseChat with AIVocabulary GamePractice Reading
noun🔗Share穹窿，拱顶。 The fornix."The architect studied the testudines to ensure the bridge's arch was structurally sound. "建筑师研究了穹窿结构，以确保桥梁的拱形在结构上是稳固的。anatomyarchitecturebodyChat with AIVocabulary GamePractice Reading
