| 单词 | astronomy unit |
| 例句 | And he is putting together an astronomy unit, with support from the Astronomers of Humboldt, who have an observatory on the Kneeland campus. How the pandemic saved one of California's smallest public schools 2022-09-25T04:00:00Z During the astronomy unit, the kids do research on the first astronomers, and Copernicus is always one they study. Nebraska teacher receives catholic education award 2017-02-04T05:00:00Z |
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