黄晓峰
幼苗
共回答了4个问题 举报
1. Water is the indispensable essence of human life.
2. Water can help reduce heat island effect.
3. In cars, water is used to cool down the engines.
4. Millions of years ago, dinosaurs became extincted because of the problem of food. We must not waste water and let the same happen to us.
1年前
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