| 词汇 | hand spectroscope |
| 释义 | Definition of hand spectroscope in English:hand spectroscopenoun
OriginMid 19th century; earliest use found in Proceedings of the Royal Society of London. Definition of hand spectroscope in US English:hand spectroscopenoun
OriginMid 19th century; earliest use found in Proceedings of the Royal Society of London. |
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