concentrating

訳語

1. エキスエキス
2. 凝らすこらす
3. 濃化のうか
4. 精鉱せいこう

英語の定義

1. the desired mineral that is left after impurities have been removed from mined ore

例文

• We do not become good drivers by concentrating on driving as such.
• I was concentrating on reading.

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