Repeated ejaculations within a short time produce less and less semen .

在短时间内重复射精，其量会越来越少。

The pious ejaculations of father clay irritated him .

克雷神父那种充满虔信的惊叫使他非常气恼。

But they found men who had five or more ejaculations weekly while in their 20s reduced their risk of getting prostate cancer later by a third .

但是，他们发现男人在20岁左右的时候，每周射精5次或更多，其罹患前列腺癌的风险会降低三分之一。

Studies also show that having regular ejaculations decreases the risk of prostate cancer in men .

研究同时表明定期男性射精可以减少前列腺癌发生的几率。

Frequent ejaculations , especially in 20-something men , may reduce the risk of prostate cancer later in life , australian researchers reported in the british journal of urology international .

澳大利亚的研究人员在英国国际泌尿学杂志上说，频繁射精，尤其是20岁左右的男人，可以减少此后生命中罹患前列腺癌症的风险。