學個詞 Learn A Word:1645 preterm

今天我們要學的詞是 preterm。 Preterm 沒到預產(chǎn)期的，也就是我們常說的早產(chǎn)。For the fifth consecutive year, the preterm birthrate in the USA continued its steady downward trend. 美國早產(chǎn)出生率連續(xù)第五年平穩(wěn)下降。In 2006, the nation's preterm birthrate peaked at 12.8%. 美國2006年新生兒早產(chǎn)率達到12.8%最高點。The goal is to lower the preterm birthrate to 9.6% by 2020. 預期目標是要在2020年以前，將早產(chǎn)率降低到9.6%。Preterm birth is the leading cause of infant death during the first month of life. 早產(chǎn)是導致嬰兒在出生后一個月內(nèi)夭折的主要原因。好的，今天我們學習的詞是 preterm, preterm, preterm....