The significance of this is that, at ejaculation, a tiny pellet of sperm is pushed forward and mixed with seminal fluid, suddenly quintupling the bicarbonate concentration.

这种情况是因为，射精时一小团精子与精液混合，碳酸度瞬间提高五倍。

We have discovered now, which is something we didn’t know, that people men can excrete the virus in their seminal fluid for six or seven months.

前，我们从未发现埃博拉能性体外精液中存活6-7个月。

In conjunction with ejaculation, which sees the release of sperm and other seminal fluid, the whole process for men involves around three to ten seconds of intense pleasure.

结合射精，看到精子和其他精液的释放， 性的整个过程涉及大约三到十秒的强烈快感。