英语语法分析

To cure halitosis, add litchi to congee and simmer.

要治口臭症，荔枝与粥炖。

Objective:To study the distribution of bacteria in halitosis patients.

目的：研究口臭症患者口腔菌群分布。

In fact, you may not know you have halitosis until a brave friend tells you.

实际上，直到有一个勇敢的朋友当面告诉你时，你都可能不知道你有口臭。