改造好的T7噬菌被释放到生物膜上后，它就开始侵入上层的细菌。
When the engineered T7 is unleashed on a biofilm, it invades the top layer of bacteria.
在酶的帮助下，噬菌体侵入下一层细菌，如此循环直到生物膜被完全破坏。
Aided by the enzyme, the viruses then penetrate the next layer of bacteria, repeating the cycle until the biofilm is destroyed.
泉水上部的石块被绿色生物膜覆盖，它通过阳光和硫化物自然的发生化学反应生存。
The top of the springs' rocks are covered with green biofilms, which use both sunlight and sulfide-naturally occurring chemicals from the springs-to survive.
泉水上部的石块被绿色生物膜覆盖，它通过阳光和硫化物自然的发生化学反应生存。
The top of the springs' rocks are covered with green biofilms, which use both sunlight and sulfide-naturally occurring chemicals from the springs-to survive.
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