The focus of the earthquake is ninety miles from our city.

　　這次地震的震央在距我市九十英里的地方。

　　And ninety percent of children go there.

　　百分之九十的孩子去那里。

　　Although he's ninety, his mental faculties remain unimpaired.

　　他雖年屆九旬，但頭腦仍然清晰。

　　It was decided she had to stay another ninety days.

　　已經(jīng)決定了，她不得不再呆90天。

　　Ninety per cent of lung cancers are caused by smoking.

　　90%的肺癌是吸煙所致。