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通过将星际气体分部绘制成地图,我们填补了关于银河系知识的主要空白,Welsh说。
By mapping this gas, Welsh said we were filling in major blanks in our knowledge about the galaxy.
youdao
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通过将星际气体分部绘制成地图,我们填补了关于银河系知识的主要空白,Welsh说。
By mapping this gas, Welsh said we were filling in major blanks in our knowledge about the galaxy.
youdao