seventy

七十的、七十個

Seventy people showed up for the free health screening.

有七十個人來參加免費健康檢查。

七十

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

總數再加七十就是最後的數字。

七十幾歲常用複數

My grandmother is in her seventies but still swims daily.

我奶奶已經七十幾歲了，但每天還是去游泳。

七十年代常用複數

The band became famous in the late seventies.

這個樂團在七十年代末成名。