noun 下载 🔗分享 星云，星际云。 A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes). Examples : "Through powerful telescopes, we can see beautiful nebulae, giant clouds of gas and dust where new stars are born or where old stars have exploded. " 通过强大的望远镜，我们可以看到美丽的星云，它们是由气体和尘埃组成的巨大云团，是新恒星诞生的地方，也是衰老恒星爆炸后的遗迹。 astronomy space science 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 角膜白斑，云翳。 A white spot or slight opacity of the cornea. Examples : "The doctor noted several small nebulae on the patient's cornea, which explained why she was having trouble seeing clearly. " 医生注意到病人角膜上有几处细小的角膜白斑，这解释了她为什么视物模糊不清。 medicine anatomy organ disease physiology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 尿浊，尿液混浊 A cloudy appearance in the urine Examples : "The doctor noted several nebulae in the patient's urine sample, suggesting a possible infection. " 医生注意到病人的尿液样本中有几处尿浊现象，提示可能存在感染。 medicine appearance body condition 与AI对话词汇游戏阅读练习
