| 英语单词 | nebula |
|---|---|
| 英美音标 | 英 ['nebjələ] 美 ['nebjələ] |
| 中文释义 | n.[天]星云;[医]角膜云翳 |
| 英语例句 | (1) Fine dust in the nebula reflects the light. (2) You can see nebulae in the clear summer sky. |
| 中文例句 | (1) 星云中细致的尘埃反射了星光。 (2) 在晴朗的夏夜可以看到天上的星云。 |
| vocabulary简明 | A nebula is a massive cloud of gas and dust in outer space. A nebula is sometimes the birthplace of stars, such as the Orion Nebula where new stars — a youthful million years old — are still forming. |
| vocabulary扩展 | Another example of a nebula is the Crab Nebula — the glowing result of a supernova, noted by Chinese astronomers in 1054 CE. It spans about 10 light-years in length. In biology, a nebula may be a cloudy formation in the eye, or a cloudiness of urine. It also refers to a medicinal preparation put in a nebulizer. When you are talking about more than one nebula (which is probably not that often for the average person), say nebulae. |
| 柯林斯解释 | 1 [N-COUNT 可数名词]星云 A nebula is a cloud of dust and gas in space. New stars are produced from nebulae. [oft in names]
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