prematureadj.提前的；过早的；早产的n.早产儿；早熟premature beat过早搏动premature seed不成熟的种子premature drop熟前落果premature loss过早缺失Premature pear南方早梨premature cure早期硫化,焦烧premature baby早产婴儿; 早产儿premature wear[医] 早期磨损premature burst膛炸Premature twins早产双胎