A lot of us may not know this, but our mouth is composed of substances that could promote the growth of bacteria.
很多人也许都不知道，我们的口腔中具有加速细菌繁殖的物质。
Au-Pt alloy does not resist the growth and adhesion of the bacteria.
金铂合金对细菌的生长黏附无抑制作用。
Au-Pt alloy does not resist the growth and adhesion of the bacteria.
金铂合金对细菌的生长黏附无抑制作用。
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