ninety

九十

Ninety is divisible by three, five, and nine.

九十可以被三、五和九整除。

九十岁、九十年代常用复数

My grandmother lived well into her nineties.

我奶奶活到九十好几岁。

九十的、九十个

The hotel is about ninety kilometers from the airport.

那间旅馆离机场大约九十公里。