under-weight的用法和樣例：
例句
- This article described the nursing experience for a low birth weight premature infant with narcotizing enterocolitis.
摘要本文旨在呈現一位罹患壞死性腸炎低體重早產(chǎn)兒面臨生理功能不穩定的護理經(jīng)驗。 - Other leading causes of death are lung disease, cancers of the windpipe and lungs, road accidents and low birth weight.
造成死亡的其他主要原因是肺病，氣管肺癌，車(chē)禍和出生低體重。
