As the trees burn, they release carbon dioxide. 树燃烧时释放出二氧化碳
And release it in the summer when the snow melts. 夏天 冰雪又融化成水
Our activities release gigantic quantities ofcarbon dioxide. 这些活动释放巨量的二氧化碳
will release her back to her natural habitat. 将要放它回归它的自然栖息地