preemie

noun

1. 早产儿
   a premature baby

1. Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.
   传统上，医生们用孕龄，受精到出生的周数来决定极早产儿是否接受进一步的关注。
2. But it's reay not that uncommon in a preemie this size.
   但是并不是听起来那么罕有的发生在这个大小的新生儿身上。

noun

1. an infant that is born prior to 37 weeks of gestation

   Synonym:    premature babypreterm babypremature infantpreterm infantpremie