fifty

柯林斯词典

1. NUM Fifty is the number 50. 50
2. N-PLURAL When you talk about the fifties, you are referring to numbers between 50 and 59. For example, if you are in your fifties, you are aged between 50 and 59. If the temperature is in the fifties, the temperature is between 50 and 59 degrees. 五十多
I probably look as if I'm in my fifties rather than my seventies. 我可能看起来像五十多岁，而不像七十多岁。
3. N-PLURAL The fifties is the decade between 1950 and 1959. 19世纪50年代
He began performing in the early fifties, singing and playing guitar. 他于50年代早期开始表演唱歌和吉他弹奏。

Although never married , they lived together as husband and wife for fifty years .
Although the film was made fifty years ago, it has lost none of its magic .
This car does about fifty miles to the gallon .
You should see her wardrobe - it's unbelievable - she's got about fifty pairs of shoes .
There are about fifty calories in an apple .