eighty
num.美 /ˈeɪti/英 /ˈeɪti/
八十
eight times ten
例句
Grandpa is eighty years young and still rides his bike.
爷爷八十岁了，还骑自行车呢！
There are eighty pages in this storybook.
这本故事书有八十页。
怎么记
eight + y（表十位）→ 八十
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