细菌的味觉并不像那些拥有鼻子的多细胞生物，但它可能是一种原始的形式，随后进化成了多细胞生物那种形式的味觉。
Bacteria don't smell like multicellular organisms that have noses, but it could be a primitive form of what developed later.
今天仍有一些细菌是双球菌、四球菌、链球菌和葡萄球菌，这些就是最原始的多细胞生物。
Today, there are still some meningitidis bacteria, four cocci, streptococcus and staphylococcus, which is the most primitive multicellular organism.
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