introduction

〜は〜の一つだ
Reading: 〜は〜のひとつだ
Meanings: ~ is one of (many) ~
Explanation
explanation
*〜は〜の<ruby>一<rt>ひと</rt></ruby>つだ* means **~ is one of ~**. It places something into a **larger group**, showing it belongs as one member among many.
explanation
The first noun is the **specific item**, and the second noun is the **category** it belongs to. This is a useful pattern for describing, classifying, or recommending things.
structure
Practice exercises
usage_japanese
東京は世界で最も大きい都市{placeholder}。
Answer: のひとつだ
usage_japanese
再生可能エネルギーは環境問題を解決するための重要な手段{placeholder}。
Answer: のひとつだ
usage_japanese
すしは日本の食べ物{placeholder}。
Answer: のひとつだ
usage_japanese
桜は日本で人気のある花{placeholder}。
Answer: のひとつだ
usage_japanese
柔道は日本の伝統的なスポーツ{placeholder}。
Answer: のひとつだ
usage_japanese
水は大切なもの{placeholder}。
Answer: のひとつだ
usage_japanese
この映画は、私が好きな映画の{placeholder}。
Answer: ひとつだ
usage_japanese
読むのが好きな本{placeholder}。
Answer: のひとつだ