Vision depends on light entering the eye...a form of ocular intromission, if you will.

视觉依赖于进入眼睛的光线，如果你不介意这种说法的话，这是一种“眼睛插入”。

Vision depends on light entering the eye… a form of ocular intromission, if you will.

视力取决于进入眼睛的光线… … 如果你愿意的话，这是一种眼部侵入的形式。

Longer bacula can help a male compete, because they're associated with what's called prolonged intromission, or longer periods of copulation.

更长的杆状骨可以帮助雄性竞争，因为它们与所谓的长时间插入或更长的交配时间有关。