noun🔗Share星云，星际云。 A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes)."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。astronomyspacescienceChat with AIVocabulary GamePractice Reading
noun🔗Share角膜白斑，云翳。 A white spot or slight opacity of the cornea."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。medicineanatomyorgandiseasephysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share尿浊，尿液混浊 A cloudy appearance in the urine"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。medicineappearancebodyconditionChat with AIVocabulary GamePractice Reading
