VOA慢速英语:Artificial Womb May Help Smallest Babies

artificial womb – n. a man-made container made to act like a human uterus—the female organ in which babies grow

gestation – n. the time when a person or animal is developing inside its mother before it is born

outcome – n. something that happens as a result of an activity or process

incubator – n. a piece of equipment in which very weak or sick babies are placed for special care and protection after their birth

amniotic fluid – n. the fluid in which the embryo or fetus is suspended within the uterus

Mother Nature – n. used to refer to the natural world as if it were a woman

mimic – v. to copy someone or someone's behavior or speech

umbilical cord – n. a long, narrow tube that provides oxygen to the baby in the uterus and takes away carbon dioxide