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。
Come to see me tomorrow if it is convenient to you.
你如果方便的话,明天来看我。
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,