短語詞組短語bill for premature delivery 提前交付的票據(jù)threatened premature delivery 先兆早產(chǎn)premature delivery rat 早產(chǎn)大鼠drugs against premature delivery 抗早產(chǎn)藥iatrogenic premature delivery 醫(yī)源性早產(chǎn)premature delivery prevent 早產(chǎn)預防predicting premature delivery 早產(chǎn)預測incidence of premature delivery 早產(chǎn)率intervening premature delivery 干預性早產(chǎn) 返回 premature delivery