Scientists call them baryonic matters, as protons and neutrons are called baryons in sub-atomic particles.
科学家们把它们称为“重子物质”，因为质子和中子在亚原子粒子中被称为“重子”。
Scientists call ordinary matter "baryonic matter" because protons and neutrons are subatomic particles called baryons.
科学家把这些常见物统称为“重物质”，因为质子和中子都属于亚原子结构的重子。
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