noun 下载 🔗分享 体腔 A fluid-filled cavity within the body of an animal. The digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum. Examples : "The earthworm's digestive system is located inside its coelom, a fluid-filled cavity that helps protect its organs. " 蚯蚓的消化系统位于体腔内，这是一个充满液体的腔体，有助于保护它的器官。(Qīuyǐn de xiāohuà xìtǒng wèiyú tǐqiāng nèi, zhè shì yī ge chōngmǎn yèti de qiāngtǐ, yǒuzhù yú bǎohù tā de qìguān.) anatomy biology organism animal body organ physiology 与AI对话词汇游戏阅读练习
