- 二(number two; two horizontal strokes)ASSOCIATIVE
Two parallel horizontal strokes symbolize the number two.
manganese(iv) oxide
manganese(iv) oxide
Manganese dioxide is an important industrial material.
Two parallel horizontal strokes symbolize the number two.
manganese(iv) oxide
manganese(iv) oxide
Manganese dioxide is an important industrial material.
Two parallel horizontal strokes symbolize the number two.
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