性传播疾病的英文：
sexually transmitted diseases

参考例句：

The yearbook also noted a sharp drop in reported cases of sexually transmitted disease.
年鉴同时指出，性传播疾病报告病例数显著下降。

Latex and polyurethane condoms do not let STD viruses pass through, so they offer good protection from STDs.
橡胶和聚氨酯避孕套都可以阻断性传播疾病病毒传染，所以可以有效地防止性病传播。

sexually是什么意思：
adv. 性别上地；两性之间地；性欲地

To engage in coitus or sexual intercourse.
进行交媾过性交

There was no motive of sexual involvement.
没有牵涉性方面的动机。

The disease is passed on by sexual conversation.
该病通过性交传染。

transmitted是什么意思：
v. [transmit] 的过去式及过去分词形式；传输，发射

The sun transmits heat and light.
太阳传播热和光。

Metals transmit electricity.
金属导电。

The news will be transmitted by radio.
这消息将由之声播送。

diseases是什么意思：
n.[C]
1.病，疾病
2.【植】病害
3.（精神、道德的）不健全；（社会制度等的）弊病
4.【废】不安；烦恼
v.[T]
使有病；使不正常；使不健全

Surgical disease, or the surgical response to disease is of similar antiquity.
外科疾病或对疾病的外科处理的历史同样久远。

Some diseases are presented by heredity.
有些疾病是由于遗传导致的。

ear bacterial disease of maize
玉米穗细菌病