1469
Superwood: Sustainable Material Stronger Than Steel
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A US startup, InventWood, has launched “Superwood,” an engineered wood up to 10 times the strength-to-weight ratio of steel, while also being up to six times lighter. This marks a breakthrough in sustainable high-performance materials.
(35 words)
(35 words)
以下のStepに沿って練習問題に挑戦してみましょう。
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スキルアップ実感ステップ
1
1
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the meaning
the meaning
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2
2
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聞こえた英語を書きとる
3
3
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4
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答え合わせ
5
5
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音読する
