短語(yǔ)詞組短語(yǔ)low -birth weight infants 稱低體重兒very -low-birth-weight infants 量?jī)?極低出生體質(zhì)量?jī)?質(zhì)量?jī)?/li>relative low birth -weight infants 相對(duì)低出生體重嬰兒 返回 low birth-weight infants