ejaculation
n
1 [C, U] sudden discharge or ejection of fluid, esp semen, from the body 从体内突然排出或射出液体; (尤指)射精.
2 [C] (fml 文) thing said suddenly and briefly; exclamation 突然说出的简短的话; 呼喊
an ejaculation of surprise 突然的惊叫.
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.