- 二(number two; two horizontal strokes)ASSOCIATIVE
Two parallel horizontal strokes symbolize the number two.
silicon dioxide (SiO2)
silicon dioxide (SiO2)
Silicon dioxide is a common compound.
Two parallel horizontal strokes symbolize the number two.
silicon dioxide (SiO2)
silicon dioxide (SiO2)
Silicon dioxide is a common compound.
Two parallel horizontal strokes symbolize the number two.
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