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1. The dichlophos is a small, round object that looks like a miniature sun.
这个小圆球看起来像一个迷你太阳。
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2. The dichlophos was used to measure the distance between the earth and the moon.
这个小圆球被用来测量地球和月亮之间的距离。
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3. The dichlophos was used as a tool for measuring angles.
这个小圆球被用作测量角度的工具。