1.sexually transmitted diseases 性传播疾病

例句：In fact, most people take every precaution possible in order to prevent contracting any dreaded sexually transmitted diseases like herpes.

事实上，为了免遭感染致命的性传播疾病，如疱疹，许多人采取了一切可能的预防措施IvEJP_,tk(9Mo@0MiE。

2.be essential to 对…必要的

例句：In fact, regularly stepping back from the projectat hand can be essential to success.

事实上，定期从手头项目后退一步对成功可能是必不可少的gO(jOGQFDiP。

3.on the increase 正在增加

例句：Outbreaks are on the increase, and children are the main victims.

暴发正在增加，并且儿童是主要受害者~2YpQQo1]c0E。

4.unwanted pregnancy 意外怀孕

例句：Unwanted pregnancy should not be considered just a fait-accompli consequence of a series of individual and societal failures.

意外怀孕并不应该仅仅被视作个人与社会过错导致的既成事实]N308hqW6KqLg&。