| 单词 | astronomical observation |
| 释义 | astronomical observation Improved astronomical observation is enabling us to spot many more asteroids. Times, Sunday Times (2008) His finding was taken up shortly before 1600, when a great surge of astronomical observation began, from Italy to Scandinavia. World History: Patterns of Change and Continuity (1995) It's hard to take astronomical observations in a constantly cloudy sky. Tuning the Rig: A Journey to the Arctic (1990) |
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