In water acidic enough to dissolve metal, archaeans form biofilms that researchers call "blanket strips" because they look like pink fiberglass insulation.
在足够溶化金属的酸水中，古生菌形成了一层生物膜，研究人员将这层生物膜称为“红毯带”，因为它们看起来就像粉红色的玻璃纤维隔离层。
This process determines whether the bacterium swims or stays stationary, and whether it remains solitary or joins with other bacteria to form organic masses called biofilms.
这个过程决定了细菌是游动还是静止，是保持单个还是和其他细菌一起生物膜有机群。
But we do not know which conditions prompt bacteria to form these biofilms and why they are more resilient when they do.
但是我们还不知道在什么情况下细菌会形成这样的生物被膜，以及为什么在形成被膜后细菌的复原能力也会增强。
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