twenty-first

The answers, my friends, will be blowing through and creating the winds of the twenty-first century..我的朋友，这些问题的答案将主导二十一世纪的风向，并将贯穿整个世纪。

At the beginning of the twenty-first century, he could note that UNESCO had joined him in this conviction..在二十一世纪之初，他注意到联合国教科文组织已经同他一道对此深信不疑。

Actually I have a few vacant offices on the seventh, thirteen and twenty-first floors in Mong Kok Centre Phase Ⅱ..我正好有一些旺角中心第二期的空置中层单位，是在七楼、十三楼和二十一楼。