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。
We are living a meaningful life.
我们过着有意义的生活。
It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.