| 单词 | helioscopy |
| 释义 | > as lemmasheliˈoscopy heliˈoscopy n. the use of the helioscope, observation of the sun. ΚΠ 1869 J. F. W. Herschel Outl. Astron. (ed. 10) iii. 75 Helioscopy. < as lemmas |
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