ninety

九十

Ninety is divisible by three, five, and nine.

九十可以被三、五和九整除。

九十歲、九十年代常用複數

My grandmother lived well into her nineties.

我奶奶活到九十好幾歲。

九十的、九十個

The hotel is about ninety kilometers from the airport.

那間旅館離機場大約九十公里。