Science Discovery

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4
2
3
7
8
1
5
6

横向

1

Tectonic landmass section

3

Disturbance that transfers energy

5

Reddish electrical conductor

7

Unit of force

纵向

1

Positive particle in nucleus

2

Mass per unit volume

4

Unit of power

6

Fourth state of matter

8

Blocking of light by a celestial body