n. the cardinal number that is the product of ten and five
s. being ten more than forty
num. 五十, 五十个
1. I have fifty apples in my basket.
我篮子里有五十个苹果。
2. The concert starts at fifty minutes past seven.
音乐会在七点五十开始。
3. She is fifty years old this year.
她今年五十岁。