流畅英语口语教程1 Track 031

Three quarters is the same as naught¹ point seven five.
Naught point two five is the same as a quarter.
Naught point three three is the same as a third.
One and half is the same as one point five.
An eighth is the same as naught point one two five.

1 naught   

n.无，零 [=nought]

参考例句：

• He sets at naught every convention of society.他轻视所有的社会习俗。
• I hope that all your efforts won't go for naught.我希望你的努力不会毫无结果。