英语语法分析

The data suggest that Leptospira prefers the excitement of the big city.

数据暗示钩端螺旋体更喜欢呆在喧闹的大城市。

So far, the pathogenesis of hemorrhage caused by infection of leptospira was not elucidated.

目前，钩端螺旋体所引起出血的机制仍未被阐明。

The disease varies in severity depending on which of various types of Leptospira are present.

这种疾病的严重程度取决于所感染的钩端螺旋体的类型。