ni 用英语:

School starts at nine.

Nine million people voted in the election.

I was nine years old when I asked my mom if Santa Claus really existed.

Nine players make up a team.

The whole soccer team was on cloud nine after winning the championship.

Her brother nearly died in a traffic accident nine years ago.

Nine planets including the earth are moving around the sun.

One, two, three, four, five, six, seven, eight, nine, ten.

English studies on the use of cell phones by young people show truly worrying situations, in which a person between the ages of six and twenty sends an average of twenty nine messages, receives fifteen, and makes nine calls each day.

His English composition has nine mistake in as many lines.

Up to now he had made nine humanoid robots but they were all demonstration models.

He arrived at nine in accordance with a prearranged plan.

Show me a man who lives alone and has a perpetually clean kitchen, and eight times out of nine I'll show you a man with detestable spiritual qualities.

nine is mine

Four metres of this material cost nine francs; therefore, two metres cost four and a half francs.