- [countable, uncountable]
the act of ejaculating; the moment when sperm comes out of a man’s penis 射精 premature ejaculation 早泄
- [countable] (formal)
a sudden shout or sound that you make when you are angry or surprised （愤怒或吃惊时）突然喊出，叫喊 an ejaculation of surprise 突然的惊叫。