It's an abbreviation for Escherichia coli, the name of a bacteria.

它菌名字，大肠杆菌缩写。

E.coli is short for Escherichia coli. It is a kind of bacterium that is normally harmless.

E.coliEscherichia coli缩写。大肠杆菌一种菌，通情下对人体无害。

In fact, Staph saprophyticus is the second most common cause of UTI after Escherichia coli.

实际上，腐生葡萄球菌继大肠杆菌之后导致尿路感染见病原菌。

Escherichia coli are bacteria found in the environment.

大肠杆菌在环境中发现菌。

Using genetic engineering, the team managed to persuade a different bacterium-Escherichia coli, a ubiquitous critter that is a workhorse of biotechnology-to manufacture this protein in bulk.

并采用基因工程技术设法让另一种菌——大肠杆菌来批量生产这种蛋白质，而大肠杆菌在生物体内普遍存在，生物工程中用" 苦力" 。