These measures prevent people from exchanging blood or semen, which is how HIV commonly spreads.

这些措施使得人们无法交换血液或精液，因为这是艾滋病毒常见的传播方式。

Since the virus can remain inside of a man's semen over a year after recovery, it could be spread sexually.

由于该病毒在康复后可以在男性精液中停留一年以上，因此它可能会通过性传播。

The researchers took semen samples from nearly 100 men in Sierra Leone who recovered from the disease.

研究人员从塞拉利昂近100名感染埃博拉疫情后康复的男性体内提取了精子样本。

We have worked hard on semen testing, behavioral counseling, safe sex promotion and research.

我们在精液检测、行为咨询、安全性行为促进和研究方面付出了努力。

Many ancient civilizations, including the Greeks, believed that semen was divine and contained a man's strength.

许多古代文明，包括希腊人，都认为精液是神圣的，蕴含着男人的力量。

Concerned conservationists began trying to breed them in captivity in the 1970s, collecting and storing semen from males.

1970 年代，关心的自然资源保护主养它们，收集并储存雄性的精液。

Androstadienone or AND, is more associated with men than women, and it’s mostly been found in semen and sweat.

雄甾二烯酮或 AND 与男性比与女性更相关，主要存在于精液和汗液中。

Previous research suggests Ebola can stay in semen for at least three months after recovery from the virus. Tulip Mazumdar reports from Freetown.

之前的研究表明在患康复后，埃博拉病毒仍能在精子里存活至少三个月。马祖达在弗里敦报道。

Any clothing or leather that has semen on it must be washed with water, and it will be unclean till evening.

无论是衣服、是皮子，被精所染，必不洁净到晚上，并要用水洗。

In the very next sentence however the observed association between higher ssb intake and lower semen quality does not necessarily imply a decrease in fertility.

然而在下一句话中，观察到的高SSB摄入量和低精液质量之间的联系并不一定意味着生育能力的下降。

And one more thing in this paragraph, the researcher's goal was to understand the effects of sweetened beverages on semen quality and reproductive hormone levels.

在这段话中还有一点，研究的目标是了解加糖饮料对精液质量和生殖激素水平的影响。

Dark-skinned men produce black semen. —— Herodotus Herodotus — the so-called father of history — believed this to be true, both of Ethiopians and certain Indians.

第二条，深色皮肤的男人产生黑色的精液。——希罗多德希罗多德——所谓的历史之父——相信埃塞俄比亚人和某些印度人都是如此。

Those on short-term organic diets do show higher levels of carotenoids, polyphenols, Vitamin C and E, LDL cholesterol, antioxidant activity, immune system markers, and ever higher semen quality.

那些短期内食用有机食品的人确实体内含有更多的类胡萝卜素、多酚、维生素 C 和 E、低密度脂蛋白胆固醇、抗氧化活性、免疫系统标记，以及更高的精液质量。

There is a catch, though: artificial insemination in African elephants with semen that has been frozen, as opposed to the fresh stuff, has not so far been done successfully.

到目前为止，用事先冷冻的精子（而非新鲜精子）为非洲象进 行人工授精的都失败了。

We don't have evidence of it spreading through air, but we have evidence, a lot of evidence, of it spreading through blood, mucus, semen, basically bodily fluids.

我们没有它通过空气传播的证据，但我们有证据，很多证据表明它通过血液、粘液、精液，基本上是体液传播。

Though scientists had stored semen, they would have to collect the eggs— a complex procedure that requires a female to be sedated for up to two hours.

尽管科学家们已经储存了精液，但他们还必须收集卵子——这是一个复杂的过程，需要女性被镇静长达两个小时。

The 15 litres of semen from South Africa, from assorted males not related to Jackson, would be enough to inseminate some 324 elephants and thereby freshen up the gene pool.

现在，收集到了15升各色南非大象（与杰克逊毫无血源关系）的精液，这将足以为约324 头大象进行人工授精，人工饲养非洲象的基因多样性将因此大增。

In fact, levels of testosterone are much lower in the evening and peak at 8 AM. While semen quality is best in the afternoon with 35 x106 more spermatozoa per ejaculation.

事实上，睾丸激素的释放在晚上要低得多，却在早上8点达到峰值。而精液质量最好的时间是下午，每次射精增加35×106个精子。

Excess steroid use can also reduce fertility in males and females— by reducing the sperm in semen or by causing missed periods and conditions like polycystic ovary syndrome.

过量使用类固醇也会降低男性和女性的生育能力——通过减少精液中的精子或导致错过月经和多囊卵巢综合症等病症。

South African officials have been slow to grant a permit to export the semen to America simply because they have never done it before, according to Barbara Baker, the president of the Pittsburgh Zoo.

匹兹堡动物园园长芭巴拉? 贝克说，南非官方迟迟未批准向美国出口大象精子，原因仅仅 是他们从没做过这样的事。