研究表明只有健康的精子才能使卵子成功受孕。

Research shows only healthy sperm can successfully ___impregnate an egg.

在种植前，土壤需要先用肥料浸透。

The soil needs to be ___impregnated with fertilizer before planting.

他的演讲充满了爱国情怀。

His speech was ___imbued with patriotic sentiments.