详细解释:n. 星云, 角膜云翳
【医】 薄翳; 角膜翳, 角膜云翳; 喷雾剂
词型变化：
形容词:nebular名词复数:nebulae英语解释：
名词 nebula:
a medicinal liquid preparation intended for use in an atomizercloudiness of the urinean immense cloud of gas (mainly hydrogen) and dust in interstellar space(pathology) a faint cloudy spot on the cornea例句：
You can see nebulae in the clear summer sky.在晴朗的夏夜可以看到天上的星云。