広さ

この部屋はほぼ十分(じゅうぶん)な広さだ。

This room is just about big enough.

中国は日本の約２５倍の広さだ。

China is about twenty-five times as large as Japan.

先生(せんせい)は彼(かれ)の知識の広さに驚いた。

The teacher was surprised at the extent of his knowledge.

彼(かれ)の部屋は私(わたし)の部屋の倍の広さだ。

His room is twice as large as mine.

その牧場は１０エーカーの広さだ。

The pasture has an area of 10 acres.