ejaculate
词根词缀：
ejaculate v. 突然说出
e 出 + jacul 标枪 + ate 做，造成，使… → 把话像标枪一样扔出去 → 突然说出
ejaculation n. 突然说出；射精，射出
ejaculat 突然说出 + ion 动作或状态 → 突然说出；射精，射出
jaculate v. 把…向前掷去
jacul 标枪 + ate 做，造成，使… → 把…向前掷去
jaculation n. 投掷
jaculat 把…向前掷去 + ion 动作或状态 → 投掷
数据来源：新东方英语词汇速记大全
相关例句：
Comparison of Semen Quality Parameters from First and Later Fractions of the Oligospermia by Split Ejaculate
分段射精法收集少精子症患者精液质量比较
For the planet now stands poised to ejaculate all that is spent for she too is being prepared for her ascent.
因为地球现在正准备释放出那些无用的能量来为她即将到来的提升做准备。
'What?' Catherine ejaculated.
“什么？”凯瑟琳脱口说道。
The extract of herb prescription had great effect on semen normal items, such as sperm concentration, volume per ejaculate, percentage of sperm motility;
在常规指标中，中药复方提取物对精子的密度、射精量、精子活率都有明显的改善效果；
If you weren't circumcised, do you ejaculate too early?
如果你没有割包皮，你会早泄吗？
Application of A Split Ejaculate Method for Human Spermatozoa Selection Technology
分步射精法在人精子优选技术中的应用