in vitro fertilization
noun [ U ] uk/ɪn ˌviː.trəʊ fɜː.tɪ.laɪˈzeɪ.ʃən/ us/ɪn ˌviː.troʊ ˌfɝː.t̬əl.aɪˈzeɪ.ʃən/ (abbreviation IVF)
体外受精，试管内受精
a treatment for a woman who cannot become pregnant naturally, in which an egg is fertilized outside her body and the resulting embryo is put into her womb to develop into a baby