prematures早产儿prematureadj.提前的；过早的；早产的n.早产儿；早熟premature beat monitor早搏监视器, 早搏监测仪premature-drop mango芒果落果premature drying-out过早干燥premature invalidation过早失效Premature male newborn早产男新生儿premature menstruation月经提前premature gear failure齿轮过早损坏premature condensation早期缩合prematured yin and yang稚阳稚阴Prematurely convergence早熟收敛