今日挑戰句子
影片不是英文？
We used to think that tool use was our defining human characteristic, until we saw chimps do it.
我們原本認為使用工具是我們人類的特徵，直到我們看到黑猩猩也會這樣做。
學習重點
1. characteristic特色，特點，特徵
characteristic
[͵kærəktəˋrɪstɪk](n.)特色，特點，特徵
每日口說挑戰「油」到底能撐多久？ Will We Ever Run out of Oil?
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口口口11 個月前
We used to think that tool use was our defining human characteristic, until we saw chimps do it.
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We used to think that tool use was our defining human characteristic, until we saw chimps do it.
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