倍

プログレッシブ和英中辞典(第4版)

ばい【倍】

❶〔２倍〕

５の倍は10だ
Twice [Two times] five is ten.

彼の部屋は私の部屋の倍の広さだ
His room is 「twice as large as [twice the size of] mine.

その機械を使えば倍の仕事ができる
We can do double the work by using that machine.

❷〔…倍〕times

５を何倍すると100になるか
What times 5 is 100?

この木はあの木の2.5倍の高さだ
This tree is two and a half times 「as tall as that one [the height of that one].

物価が２倍,3倍と上がったので支払いに困った家族が多い
Prices doubled and then tripled, and many families couldn't pay their bills.

出典　小学館「プログレッシブ和英中辞典(第4版)」