in‧fant 1 W3 / ɪnfənt / 名词

1 [可数名词] formal a baby or very young child :

An infant’s skin is very sensitive. → Sudden Infant Death Syndrome

2 infants [复数形式] children in school in Britain between the ages of four and eight

COLLOCATIONS

形容词

a young infant The never-ending demands of a young infant can be very stressful for parents.

a newborn infant Newborn infants only a few hours old can distinguish between different voices.

an unborn infant Unborn infants can hear certain sounds while still in the mother’s womb.

a premature infant (= born too early ) The hospital provides life-saving care to premature infants.

a healthy infant Amy gave birth to a healthy infant.

a sick infant Sick infants are treated in the intensive care nursery.

infant + NOUN

infant deaths The number of infant deaths has fallen significantly.

infant mortality (= the number of infants who die ) The infant mortality rate doubled during the 1990s.

THESAURUS

baby a very young child who has not yet learned to speak or walk : I sat next to a woman holding a baby.

toddler a baby who has learned how to walk : The playground has a special area for toddlers.

infant formal a baby or a very young child : The disease is mainly found in infants.

little one spoken informal a baby, or a small child up to the age of about three : How old is your little one?

young the babies of an animal or bird : Kangaroos carry their young in a pouch.

litter a group of baby animals that are born at the same time to the same mother : Our cat has just had a litter of six kittens.