nounB1
鉱物、ミネラル
a solid natural substance found in the ground like iron
例文
Iron is an important mineral found deep in the ground.
鉄は地中深くで見つかる重要な鉱物だ。
鉱物、ミネラル
a solid natural substance found in the ground like iron
例文
Iron is an important mineral found deep in the ground.
鉄は地中深くで見つかる重要な鉱物だ。