所有硫化物吃掉包裹在石块底部的细菌形成白色的生物膜。

Exclusively sulfide-eating bacteria coat the bottoms of the rocks in a white biofilm.

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生物膜的祸根：细菌粘合到一起形成一个防护型的整体，可以抵抗病毒的攻击。

The bane of biofilms: Bacteria bound together in a protective matrix tend to resist viral attack.

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现在，美国加州大学洛杉矶分校(ucla)的研究人员及其同事已经发现，在生物膜形成的最初阶段，细菌实际上能够直立起来，并且能够“行走”，而直立“行走”是它们适应组织表面的一部分。

Now, UCLA researchers and their colleagues have found that during the initial stages of biofilm formation, bacteria can actually stand upright and "walk" as part of their adaptation to a surface.

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