碳腳印 的英文怎麼說
中文拼音 [tànjiǎoyìn]
碳腳印
英文
carbon footprint-
Working with international colleagues, they have applied dating techniques on the sediment itself and on finds including a land snail, a water snail and a mammoth tooth, all of which came back with an age of around 40, 000 years
科協家通過放射性碳鑒定技術和激光學鑒定技術斷定,這些腳印屬於人類,且約有4萬年的歷史。除此之外,科學家還發現了一隻蝸牛一隻水蝸牛和一顆猛獁的牙齒,並斷定它們也約有4萬的歷史。
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