Science Basics

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9
8
3
1
2
5
4
6
7

横向

1

Amplified beam of light

4

Absolute temperature scale unit

6

Unit of power

7

Unit of energy

纵向

2

Substance with pH below 7

3

Force that attracts objects together

5

Second lightest element

8

Measure of matter in an object

9

Basic unit of life