infantg mortality的用法和样例：
例句
- The disorder is treatable with antibiotics but it can lead to premature birth and is a major cause of infant mortality.
该病可使用抗生素治疗，但是使用抗生素治疗可能会导致女性发生早产，是导致婴儿死亡的罪魁祸首。 - It says most infant deaths happen in regions where maternal mortality rates are the highest.
报告说，婴儿死亡最多的发生在产妇死亡率最高的区域。
