射精的英语说法是"ejaculation"。这个词来源于拉丁语"ejaculare"，意思是"抛出"或"喷射"。例如：

The man experienced ejaculation after several minutes of stimulation.

这名男子在几分钟的刺激后射精了。

Ejaculation is usually accompanied by a feeling of pleasure.

射精通常伴随着快感。

希望这对您有帮助。