footprint造句

We all need to look for ways to reduce our carbon footprint.
我们都需要寻求降低碳排放量的方法。

Perhaps the footprint was a hallucination.
脚印可能只是幻象。

We saw no houses, no smoke, no footprint, no boats, no people.
我们没看到房子和炊烟, 也没看到足迹 、 船和人.

• #footprint