品詞ごとの意味
名詞 1
a combustible black or dark brown rock consisting mainly of carbonized plant matter, found mainly in underground deposits and widely used as fuel.
石炭
The power plant burns coal to generate electricity.
発電所は電気を生み出すために石炭を燃やします。
同意語
反意語
最終更新時刻: 2025/01/11 11:35