Naturalyte钠、钾、氯、柠檬酸盐和葡萄糖溶液naturaladj.自然的；天然的；私生的natural dyestuffs天然染料natural taxpayers自然纳税人natural synthesis自然合成natural seedlings野生苗natural ovulation自然排卵natural inhibitor天然抗氧剂natural satellite天然卫星natural substance天然产物natural cork disc天然软木盖片natural air speed自然风速

1. Introduction of weather derivatives may help insurance companies and reinsurance companies enhance risk-diversifying ability and improve management of natural risks in agriculture.
   天气衍生品的推出可以增强保险公司和再保险公司分散风险的能力，有助于提高农业自然风险的管理水平。