noun 下载 🔗分享 鞘，囊，套。 Any external case or sheath. Examples : "The pollen grain was protected by a tough, outer theca. " 花粉粒被一层坚韧的外壳保护着。 part anatomy biology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 花药，药室 The pollen-producing organ usually found in pairs and forming an anther. Examples : "The botanist pointed out the theca of the lily's stamen, explaining that it was one of the two compartments within the anther responsible for producing pollen. " 那位植物学家指出了百合花雄蕊的药室，并解释说它是花药内负责产生花粉的两个腔室之一。 biology plant organ part anatomy 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 卵泡膜，卵鞘。 The twin layers of cells surrounding the basal lamina of an ovarian follicle. Examples : "The theca, surrounding the developing egg, plays a crucial role in hormone production within the ovary. " 包围着正在发育卵子的卵泡膜（卵鞘）在卵巢内的激素产生过程中起着至关重要的作用。 anatomy organ biology medicine physiology sex 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 鞘，膜，外壳。 The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates. Examples : "Under a microscope, the intricate beauty of the dinoflagellate's theca was clearly visible, protecting the cell within. " 在显微镜下，可以清楚地看到甲藻外壳精巧美丽的结构，它保护着内部的细胞。 biology microorganism plant organism environment ecology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 珊瑚杯壁，萼壁 The calcareous wall of a corallite, the exoskeleton of a coral polyp. Examples : "The diver carefully brushed away sediment to reveal the delicate structure of the theca, the coral polyp's protective outer wall. " 潜水员小心翼翼地刷去沉积物，露出了珊瑚杯壁精巧的结构，那是珊瑚虫用以保护自己的外壁。 organism biology animal ocean structure geology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 圣体布盒，圣体匣 A case for the corporal cloth used in the Eucharist. Examples : "The priest carefully placed the freshly laundered corporal cloth back into its theca after the morning's service. " 早晨的礼拜仪式结束后，神父小心翼翼地将新洗好的圣体布放回它的圣体布盒里。 religion ritual 与AI对话词汇游戏阅读练习
