形容词
1. He was making ninety pounds a week.
他那时一周挣九十英磅。
1. 九十：89八十九 eighty nine | 90九十 ninety | 91九十一 ninety one
2. 九十,九十个：nineteen 十九,十九个 | ninety 九十,九十个 | ninth 第九;九分之一
3. 奶體：eighty 欸體 | ninety 奶體 | one hundred 灣夯嘴
4. (乃忒)九十：eighty (诶忒)八十 | ninety (乃忒)九十 | hundred (酣坠的)百
1. (数字)90
Ninety is the number
90.
e.g. It was decided she had to stay another ninety days.
已经决定了，她不得不再呆90天。
2. 九十多;九十几
When you talk about the nineties, you are referring to numbers between 90 and
99. For example, if you are in your nineties, you are aged between 90 and
99. If the temperature is in the nineties, the temperature is between 90 and 99 degrees.
e.g. By this time she was in her nineties and needed help more and more frequently.
到这个时候她已经90多岁了，越来越频繁地需要帮助。
3. 九十年代(指1990年至1999年)
The nineties is the decade between 1990 and
1999.
e.g. These trends only got worse as we moved into the nineties.
我们步入20世纪90年代时，这些潮流变得更糟了。