impregnate

vt. 使怀孕, 使肥沃, 使充满, 灌输
a. 怀孕的, 充满的
【医】 使受孕, 使受精, 浸渗

名词:impregnation 动词过去式:impregnated 过去分词:impregnated 现在分词:impregnating 第三人称单数:impregnates 

im.preg.nate

v.tr.（及物动词）
im.preg.nat.ed,im.preg.nat.ing,im.preg.nates
To make pregnant; inseminate.
使怀孕；受精于
To fertilize (an ovum, for example).
使（例如卵细胞）受精
To fill throughout; saturate:
使充满；使饱和：
例句：
a cotton wad that was impregnated with ether.
浸透了醚的棉花团

To permeate or imbue:
灌输：渗透或使感染：
例句：
impregnate a speech with optimism.See Synonyms at charge
使讲演充满乐观主义参见 charge

adj.（形容词）

Saturated or filled.
充满的或浸透的

来源：
Probably from Late Latin impraegn3tus [pregnant]
可能源自 后期拉丁语 impraegn3tus [怀孕的]
Latin in- [in] * see in- 2
拉丁语 in- [在…里面] *参见 in-2
Latin praegn3tus
拉丁语 praegn3tus
variant of praegn3s [pregnant] * see pregnant
praegn3s的变体 [怀孕的] *参见 pregnant

【引伸】
im.pregna.tion
n.（名词）
impreg.na.tor
n.（名词）