erections

Designers found that large numbers of men complained that they struggled to maintain erections when using conventional condoms in sex.

产品的研发者们发现，大多数男性都在抱怨，在使用传统的避孕套时，保持勃起的状态都非常“费力”。

There have been reports of men having painful and sustained erections.

曾有关于痛苦的，持续勃起的男人的报道记录。

Failing erections can be an early warning sign of heart disease in men, according to a review of a dozen studies.

无法勃起是男性心脏疾病的预警信号，一篇对十几篇研究论文的综述得出此结论。

Men with larger penises also are more likely to have problems getting and keeping erections.

有着较大的阴茎的男性也更容易发生勃起问题和不持久的问题。

Psychically induced erections are mediated by the parasympathetic hypogastric nerves.

心因性的勃起由副交感神经纤维介导。

Gradually, morning erections return, followed by libido and, perhaps, occasional spontaneous erections.

渐渐地，性欲恢复，可能偶尔自发勃起，早晨又会勃起了。

Ultrasound pictures have revealed erections in male fetuses as early as the seventeenth week after conception.

超声波图像显示，早在受孕后17周男性胎儿就会勃起。

Erections happen when guys fantasize and think about sexual things or sometimes for no reason at all.

当男孩们幻想有关性的事情的时候，就会勃起。有时没有任何原因也会勃起。

Most people with spinal cord injury above the T10 will continue to have reflex erections associated with stimulation.

大多数人的脊髓损伤以上在T10将继续反射勃起与刺激。

As men grow older, their erections gradually become less firm, and this may inconvenience some of them.

男性随著年龄的增长，他们的勃起会逐渐衰退，这可能给某些人带来不便。

Even if men are emotionally aroused, the nerve damage may interfere with the natural reflex that causes erections .

即使人被在感情上引起，神经损害可以干扰引起建筑物的自然的反射。

Penile fracture is rare, and it typically happens to younger men because their erections tend to be quite rigid.

阴茎断裂比较罕见，通常发生在青少年身上，主要原因是其小弟弟勃起过于刚硬。

In addition, males often get erections and females experience clitoral enlargement, although most dream content is not sexual.

另外，男性生殖器常会勃起，而女性阴蒂也会变大，虽然多数的梦境与性无关。

Most men have erections every hour to hour and a half during sleep.

大多数男人在睡眠时平均每一小时到一个半小时勃起一次。

Animal models have established that both sexual desire and erections arise from dopamine signals.

动物模型已经证实，多巴胺发出信号引起性欲和勃起。

In rats, the treatment restored full erections, improved blood flow and accelerated healing.

事实上，这样的治疗恢复了勃起，促进了血液循环、加速了康复。

One group of hamstersreceived enough of the drug to develop erections . These took about six days to adjust their body clocks.

一组仓鼠的注射量足以使人产生勃起，结果他们用了六天来调节生物钟；

He's hopeful that someone will pick up on his research and study the fruit's effect on penile erections.

他希望有人将继续他的调查，研究这种水果对阴茎勃起的作用。

Piercings. A penis piercing can cause skin infections and prolonged erections.

穿刺。阴茎穿刺会导致皮肤感染和长时间的勃起。

I remember asking other guys who went before me about when they noticed the return of their full erections.

我记得我问过比我先来的其他人，他们大约什么时候注意到又能够完全勃起了。