noun 下载 🔗分享 肺泡，气泡 A small cavity or pit. Examples : "The dentist pointed out the tiny alveoli, or pits, in my teeth where plaque was building up. " 牙医指出了我牙齿上堆积牙菌斑的微小肺泡状凹陷。 anatomy organ body physiology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 肺泡 An anatomical structure that has the form of a hollow cavity, as: Examples : "The lungs contain millions of tiny air sacs called alveoli, where oxygen enters the bloodstream. " 肺部包含数百万个被称为肺泡的微小气囊，氧气就在这里进入血液。 anatomy organ physiology medicine body biology structure 与AI对话词汇游戏阅读练习
