preterm       
 adjective  medical specialized uk/ˌpriːˈtɜːm/ us/ˌpriːˈtɝːm/
 早产的
born before the full period of pregnancy is completed
  preterm babies 早产婴儿 
 Synonym: premature
preterm       
adverb  medical specialized uk/ˌpriːˈtɜːm/ us/ˌpriːˈtɝːm/
 早产地
before the full period of pregnancy is completed
  An estimated 15 million babies are born preterm. 约有1500万婴儿是早产的。 
 Synonym: prematurely