a producer of megatons of fertilizers, pesticides and herbicides数百万吨肥料、杀虫剂和除草剂的生产者

a thermonuclear device with a yield of around 57 megatons大约5,700万吨级的热核装置

a 10-megaton nuclear bomb1,000万吨级的核弹

A megaton of fallout would be released.将释放百万吨级的沉降物。