seventy

七十的、七十个

Seventy people showed up for the free health screening.

有七十个人来参加免费健康检查。

七十

Add seventy to the total and you get the final figure.

总数再加七十就是最后的数字。

七十几岁常用复数

My grandmother is in her seventies but still swims daily.

我奶奶已经七十几岁了，但每天还是去游泳。

七十年代常用复数

The band became famous in the late seventies.

这个乐团在七十年代末成名。