- 一(first; number one (pictographic))
A single horizontal stroke symbolizes the number one, the beginning of all things.
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nitric oxide
Nitric oxide is a type of gas.
nitric oxide
Nitric oxide is a type of gas.
A single horizontal stroke symbolizes the number one, the beginning of all things.
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.
A single horizontal stroke symbolizes the number one, the beginning of all things.
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.
nitric oxide
nitric oxide
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