二9天的英文

第九天：the ninth day第十天：the tenth day第十一天：he eleventh day第十二天：the twelfth day第十三天：the thirteenth day第十四天：the fourteenth day第十五天：the fifteenth day

一天，两天，三天Oneday,twodays,threedays

前面朋友回答很好

the first /second/third /fourth /fifth /sixth /seventh/eighth/ninth/tenth day

Threedays.三天。Twodays.两天。oneday一天很高兴为你解答。

the first daythe second daythe third daythe fourth daythe fifth daythe sixth daythe seventh daythe eighth daythe nineth daythe tenth daythe eleventh daythe twelfth day我的最标准了，采纳哦