When you're out in the fresh air like this, it makes you hungry.
当你来外面呼吸这么新鲜的空气时, 就很容易饿。
Quality is even more important than quantity.
质量比数量更为重要。
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.