Contraception birth control by prevention of conception or impregnation.避孕:人类生理学术语,指有意防止怀孕的措施.Cutinization The impregnation of a plant cell wall with cutin.角化作用(角质化):角质陆续侵渗植物细胞壁的过程.CNI is Chemical Nickel Impregnation wit...

impregnation的音标：impregnation的英式发音音标为：[ˌɪmpreɡ'neɪʃn]impregnation的美式发音音标为：[ˌɪmpreɡ'neɪʃn]...

n.怀孕，受精，注入，使受孕，授胎物，授孕...

It has performed reliably when used at very high retentions in full - cell impregnation processes.当用满细胞法使它具有很高的保持量时,它的使用是很可靠的.Structure and performance of aluminum impregnation to steel _ container are studied.研究了渗铝包子桶的组...