英语语法分析

Treponema pallidum, all antigens, Rabbit anti -, Biotin.

梅毒螺旋体，全抗原，兔抗，生物素。

The host immune response to Treponema pallidum is so complicated.

宿主对梅毒螺旋体的免疫反应比较复杂；

Abstract : Abstract: Oral treponema is a member of oral bacteria in the healthy periodontal tissue.

摘要 ［摘要］ 口腔密螺旋体是健康牙周人群口腔细菌的成员之一。