英语翻译KatrinamovedalmostduewestwardafterenteringtheGulfofMexico.Amid-levelridgecenteredoverTexasweakenedandmovedwestwardallowingKatrinatograduallyturntothenorthwestandthennorthintotheweaknessintheridgingover
英语翻译
KatrinamovedalmostduewestwardafterenteringtheGulfofMexico.Amid-levelridgecenteredoverTexasweakenedandmovedwestwardallowingKatrinatograduallyturntothenorthwestandthennorthintotheweaknessintheridgingoverthedaysthatfollowed.该句中due是什么意思,在这里是怎么个用法?