Science Discovery

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6
2
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1
7

横向

1

Amplified beam of light

4

Curved glass that refracts light

5

Substance with pH below 7

7

Unit of energy

纵向

2

Tissue that contracts for movement

3

Tectonic landmass section

6

Precious yellow metallic element

8

Path of a planet around the sun

Science Discovery - Amazing Crossword