- 二(number two; two horizontal strokes)
Two parallel horizontal strokes symbolize the number two.
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nitrogen dioxide
Nitrogen dioxide is a type of toxic gas.
nitrogen dioxide
Nitrogen dioxide is a type of toxic gas.
Two parallel horizontal strokes symbolize the number two.
Gas with a tone like 'dương' is oxygen—the gas that sustains all living things.
A person standing upright beside a person bending down shows how shapes transform and change.
Two parallel horizontal strokes symbolize the number two.
Gas with a tone like 'dương' is oxygen—the gas that sustains all living things.
A person standing upright beside a person bending down shows how shapes transform and change.
nitrogen dioxide
nitrogen dioxide
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