1、Chlamydia is the most commonly reported bacterial sexually transmitted infection in the United States.
在美国，沙眼衣原体是最常见的细菌性性传播感染。

2、It is important to get tested for chlamydia regularly, especially if you are sexually active.
定期接受沙眼衣原体检测非常重要，特别是如果你有性行为。