プログレッシブ和英中辞典(第３版)の解説
ばい【倍】
1 〔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.
2 〔…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倍とあ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.