形容词

名词

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1. （数字）80
Eighty is the number
80.

2. 八十几；八十多
When you talk about the eighties, you are referring to numbers between 80 and
89. For example, if you are in your eighties, you are aged between 80 and
89. If the temperature is in the eighties, the temperature is between 80 and 89 degrees.

3. （二十世纪）八十年代
The eighties is the decade between 1980 and
1989.

1. the cardinal number that is the product of ten and eight

Synonym: 80LXXXfourscore